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Health Calculators

Master your health with our comprehensive collection of 100+ medical and wellness calculators! From BMI and nutrition to dosage and cardiovascular assessments. Professional-grade tools for patients and healthcare providers. 🏥

410

Total Calculators

📏Body Measurements Calculators22 tools

Body Fat CalculatorPopular

Calculate body fat percentage using various methods

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Body Shape CalculatorPopular

Determine your body shape type (pear, apple, etc.)

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Ideal Weight CalculatorPopular

Calculate ideal body weight using various formulas

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Waist to Hip Ratio CalculatorPopular

Calculate WHR for health risk assessment

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ABSI Calculator

Calculate A Body Shape Index for health risk assessment

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Adjusted Body Weight Calculator

Calculate adjusted body weight for medical dosing

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BAI Calculator - Body Adiposity Index

Calculate Body Adiposity Index using hip measurement

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Bedridden Patient Height Calculator

Estimate height for bedridden patients

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Body Frame Size Calculator

Determine if you have small, medium, or large frame

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BRI Calculator — Body Roundness Index

Calculate Body Roundness Index for health assessment

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BSA Calculator – Body Surface Area

Calculate body surface area for medical dosing

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Draw Length Calculator

Calculate archery draw length based on arm span

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Face Shape Calculator

Determine your face shape type

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FFMI Calculator (Fat-Free Mass Index)

Calculate Fat-Free Mass Index for muscle assessment

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Karvonen Formula Calculator

Calculate target heart rate using Karvonen method

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Lean Body Mass Calculator

Calculate lean body mass and muscle weight

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Overweight Calculator

Determine if you are overweight or obese

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Ponderal Index Calculator

Calculate Ponderal Index as BMI alternative

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RFM Calculator (Relative Fat Mass)

Calculate Relative Fat Mass for body composition

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Skinfold Body Fat Calculator

Calculate body fat using skinfold measurements

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Waist to Height Ratio Calculator

Calculate waist-to-height ratio for health screening

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Weight Loss Percentage Calculator

Calculate percentage of weight lost

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⚖️BMI Calculators7 tools

BMI Calculator – Body Mass IndexPopular

Calculate your Body Mass Index and weight status

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BMI Calculator for KidsPopular

Calculate BMI percentiles for children and teens

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BMI Calculator for Men

BMI calculator specifically designed for men

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BMI Calculator for Teens

BMI calculator for teenage health assessment

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BMI Calculator for Women

BMI calculator specifically designed for women

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BMI Weight Loss Calculator

Calculate weight loss needed to reach target BMI

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Geriatric BMI Calculator

BMI calculator for elderly population

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🎖️Army Calculators6 tools

ACFT Calculator

Calculate Army Combat Fitness Test scores

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Air Force PT Calculator

Calculate Air Force Physical Training test scores

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APFT Calculator

Calculate Army Physical Fitness Test scores

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Army Body Fat Calculator

Calculate body fat percentage for Army standards

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Navy Body Fat Calculator

Calculate body fat percentage for Navy standards

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Navy PRT Calculator

Calculate Navy Physical Readiness Test scores

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🥗Dietary Calculators32 tools

BMR Calculator (Basal Metabolic Rate, Mifflin St Jeor Equation)Popular

Calculate BMR using Mifflin St Jeor equation

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Calorie CalculatorPopular

Calculate daily calorie needs for weight goals

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Calorie Deficit CalculatorPopular

Calculate calorie deficit for weight loss

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Harris-Benedict Calculator (Basal Metabolic Rate)Popular

Calculate BMR using Harris-Benedict equation

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Keto CalculatorPopular

Calculate ketogenic diet macronutrients

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Macro CalculatorPopular

Calculate optimal macronutrient ratios

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Protein CalculatorPopular

Calculate daily protein requirements

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TDEE Calculator - Total Daily Energy ExpenditurePopular

Calculate total daily energy expenditure

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Added Sugar Intake Calculator

Calculate daily added sugar consumption

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BEE Calculator

Calculate Basal Energy Expenditure

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Calorie Intake Calculator (Simple)

Simple daily calorie intake calculator

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Carb Calculator (Carbohydrates)

Calculate daily carbohydrate requirements

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Diet Risk Score Calculator

Assess dietary health risks

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DRI Calculator

Calculate Dietary Reference Intakes

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EER Calculator — Estimated Energy Requirement

Calculate estimated energy requirements

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Fat Intake Calculator

Calculate optimal daily fat intake

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Fiber Calculator

Calculate daily fiber requirements

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Gastric Sleeve Weight Loss Calculator

Calculate expected weight loss after gastric sleeve

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IIFYM Calculator (If It Fits Your Macros)

Calculate flexible dieting macronutrients

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Katch-McArdle Calculator

Calculate BMR using lean body mass

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Maintenance Calorie Calculator

Calculate calories to maintain current weight

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Meal Calorie Calculator

Calculate calories in meals and recipes

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Micronutrient Calculator

Calculate vitamin and mineral requirements

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Net Carbs Calculator

Calculate net carbohydrates for keto diet

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Quarantine Activity Calculator

Calculate calories during quarantine periods

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RMR Calculator - Resting Metabolic Rate

Calculate resting metabolic rate

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Sodium in Salt Calculator

Calculate sodium content in salt

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Vitamin A Calculator

Calculate Vitamin A requirements and intake

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Vitamin Calculator

Calculate daily vitamin requirements

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Vitamin D Calculator

Calculate Vitamin D requirements and deficiency

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Weight Gain Calculator

Calculate calories for healthy weight gain

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Weight Watchers Points Calculator

Calculate Weight Watchers SmartPoints

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💉Diabetes Calculators11 tools

A1c Calculator – Hemoglobin A1c to Average Blood SugarPopular

Convert HbA1c percentage to average blood glucose using ADAG formula with bidirectional conversion and diabetes risk assessment

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Blood Sugar ConverterPopular

Convert blood glucose units (mg/dL to mmol/L)

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Diabetes Risk CalculatorPopular

Assess your risk of developing diabetes

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Diabetic Ketoacidosis CalculatorPopular

Assess DKA diagnosis using ADA criteria and mortality risk

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Estimated Average Glucose CalculatorPopular

Convert HbA1c to estimated average glucose (eAG) levels

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Glycemic Index CalculatorPopular

Find glycemic index values of 250+ foods and understand blood sugar impact

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Glycemic Load CalculatorPopular

Calculate glycemic load using GI and carbohydrate content for accurate blood sugar impact assessment

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HOMA-IR Calculator — Insulin ResistancePopular

Calculate insulin resistance using HOMA-IR and QUICKI index from fasting glucose and insulin levels with medical interpretation

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Insulin Dosage CalculatorPopular

Calculate mealtime insulin dosage for diabetes management with carbohydrate coverage and blood glucose correction

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QUICKI CalculatorPopular

Calculate Quantitative Insulin Sensitivity Check Index to assess insulin resistance and diabetes risk from fasting glucose and insulin levels

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Warsaw Method CalculatorPopular

Calculate insulin dosage for fat and protein using Fat-Protein Units (FPU) with extended bolus timing for advanced Type 1 diabetes management

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🍟Metabolic Disorders Calculators7 tools

Cholesterol Ratio CalculatorPopular

Calculate cholesterol ratios (LDL/HDL, Total/HDL, TG/HDL) to assess cardiovascular risk with comprehensive medical interpretation and heart health guidance

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Cholesterol Units ConverterPopular

Convert cholesterol units between mg/dL and mmol/L for total cholesterol, HDL, LDL, and triglycerides with accurate medical conversion factors

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Gout Diagnosis CalculatorPopular

Assess gout probability using validated clinical criteria and 7-factor scoring system for accurate diagnosis and risk stratification

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LDL CalculatorPopular

Calculate Low-Density Lipoprotein cholesterol using the Friedewald equation from total cholesterol, HDL, and triglycerides with cardiovascular risk assessment

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Metabolic Syndrome Calculator

Assess metabolic syndrome risk factors

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SAAG Calculator – Serum-Ascites Albumin Gradient

Calculate SAAG for ascites evaluation

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VLDL Calculator

Calculate VLDL cholesterol levels

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❤️Cardiovascular System Calculators40 tools

Blood Pressure CalculatorPopular

Analyze blood pressure readings and categories

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CHA2DS2-Vasc CalculatorPopular

Calculate stroke risk in atrial fibrillation

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CVD Risk Calculator – Cardiovascular Disease 10-year RiskPopular

Calculate 10-year cardiovascular disease risk

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GRACE CalculatorPopular

Calculate GRACE risk score for ACS

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HAS-BLED CalculatorPopular

Calculate bleeding risk in anticoagulated patients

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Heart Rate CalculatorPopular

Calculate target heart rate zones

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HEART Score CalculatorPopular

Calculate HEART score for chest pain risk

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QTc CalculatorPopular

Calculate corrected QT interval

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Wells Score Calculator for Pulmonary EmbolismPopular

Calculate Wells score for pulmonary embolism risk

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6 Minute Walk Test Calculator

Calculate fitness based on 6-minute walk distance

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ABI Calculator (Ankle-Brachial Index)

Calculate ankle-brachial index for PAD screening

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Aortic Valve Area Calculator

Calculate aortic valve area using continuity equation

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Arterial Age Calculator

Calculate vascular age based on risk factors

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Cardiac Index Calculator

Calculate cardiac index normalized to body surface area

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Cardiac Output Calculator

Calculate cardiac output and cardiac index

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Cerebral Perfusion Pressure Calculator

Calculate cerebral perfusion pressure (CPP)

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DAPT calculator

Calculate dual antiplatelet therapy duration

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Doppler Echo Cardiac Output Calculator

Calculate cardiac output using Doppler echocardiography

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Duke Treadmill Score Calculator

Calculate Duke treadmill score for CAD risk

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ECG Boxes to Seconds Calculator

Convert ECG paper boxes to time duration

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ECG Heart Rate Calculator

Calculate heart rate from ECG rhythm strips

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EROA - Mitral Regurgitation Calculator

Calculate effective regurgitant orifice area

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Framingham Risk Calculator

Calculate cardiovascular risk using Framingham model

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Gorlin Formula Calculator

Calculate valve area using Gorlin formula

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Gupta Risk Calculator

Calculate perioperative cardiac risk

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Heart Failure Life Expectancy Calculator

Calculate heart failure prognosis and life expectancy

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ICH Volume Calculator

Calculate intracranial hemorrhage volume

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LV Calculator

Calculate left ventricular function parameters

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MAP Calculator (Mean Arterial Pressure)

Calculate mean arterial pressure

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Mitral Valve Area Calculator

Calculate mitral valve area using pressure half-time

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Padua Score Calculator

Calculate VTE risk in hospitalized patients

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PERC Calculator - Pulmonary Embolism Rule-Out Criteria

Rule out pulmonary embolism using PERC criteria

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PISA Calculator

Calculate regurgitant volume using PISA method

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PVR Calculator - Pulmonary Vascular Resistance

Calculate pulmonary vascular resistance

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Rate Pressure Product Calculator

Calculate myocardial oxygen demand

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RCRI Calculator

Calculate Revised Cardiac Risk Index

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Revised Geneva Score Calculator for Pulmonary Embolism

Calculate revised Geneva score for PE risk

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Stroke Volume Calculator

Calculate stroke volume and ejection fraction

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TIMI Score Calculator for UA/NSTEMI

Calculate TIMI risk score for UA/NSTEMI

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TIMI Score for STEMI Calculator

Calculate TIMI risk score for STEMI patients

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😴Sleep Calculators7 tools

AHI Calculator | Apnea-Hypopnea IndexPopular

Calculate Apnea-Hypopnea Index for sleep apnea assessment

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Sleep CalculatorPopular

Calculate optimal bedtime and wake time

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Sleep Cycle CalculatorPopular

Calculate sleep cycles for better rest

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STOP-BANG CalculatorPopular

Screen for obstructive sleep apnea risk

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Epworth Sleepiness Scale Calculator

Assess daytime sleepiness levels

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REM Sleep Calculator

Calculate REM sleep stages and timing

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Sleep Debt Calculator

Calculate accumulated sleep debt

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🤰Gynecology & Pregnancy Calculators38 tools

Breast Cancer Risk CalculatorPopular

Assess breast cancer risk factors

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Chances of Having Twins CalculatorPopular

Calculate probability of twin pregnancy

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Conception CalculatorPopular

Estimate conception date from due date or last menstrual period

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Due Date CalculatorPopular

Calculate pregnancy due date and milestones

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Fertility by Age CalculatorPopular

Calculate fertility rates and chances by age

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Gestational Age CalculatorPopular

Calculate gestational age from conception or LMP

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hCG Levels CalculatorPopular

Track and analyze hCG levels during pregnancy

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Ovulation CalculatorPopular

Calculate ovulation dates and fertile window

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Pregnancy CalculatorPopular

Track pregnancy weeks and development

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BBT Calculator | Basal Body Temperature

Track basal body temperature for fertility monitoring

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Birth Control Calculator

Calculate contraceptive effectiveness and timing

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Bishop Score Calculator

Calculate cervical readiness for labor induction

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Breast Cancer Recurrence Risk Calculator

Calculate breast cancer recurrence risk

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Breastfeeding Calorie Calculator

Calculate additional calories needed while breastfeeding

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Clomid Ovulation Calculator

Calculate ovulation timing with Clomid treatment

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Conception Calculator

Calculate conception date from due date

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Crown-rump Length Calculator

Calculate gestational age from crown-rump length

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EDD Calculator - Estimated Date of Delivery

Calculate estimated delivery date using multiple methods

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Egg Freezing Calculator

Calculate success rates for egg freezing by age

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Flange Size Calculator

Calculate correct breast pump flange size

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Fundal Height Calculator

Calculate fundal height during pregnancy

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Implantation Calculator

Calculate implantation timing and bleeding dates

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IVF Due Date Calculator

Calculate due date for IVF pregnancies

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Luteal Phase Calculator

Calculate luteal phase length and defects

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MCA Calculator

Calculate middle cerebral artery measurements

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Mean Sac Diameter Calculator

Calculate gestational age from mean sac diameter

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Nuchal Translucency Calculator

Calculate Down syndrome risk from NT measurement

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Pearl Index Calculator

Calculate contraceptive method effectiveness

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Period Calculator

Track menstrual cycle and predict periods

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Pregnancy Test Calculator

Calculate when to take pregnancy test

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Pregnancy Weight Gain Calculator

Calculate healthy weight gain during pregnancy

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Progesterone to Estrogen Ratio Calculator

Calculate hormone ratio for fertility assessment

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Reverse Due Date Calculator

Calculate conception date from due date

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Sperm Analysis Calculator

Analyze sperm count and fertility parameters

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Stillbirth Risk Calculator

Calculate stillbirth risk factors and prevention

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Testosterone to Estradiol Ratio Calculator

Calculate hormone ratio for reproductive health

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VBAC Calculator

Calculate Vaginal Birth After Cesarean success probability using Grobman model

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VTE Risk Score Calculator in Pregnancy

Calculate venous thromboembolism risk in pregnancy

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🚬Addiction Medicine Calculators17 tools

Addiction CalculatorPopular

Assess addiction risk and severity

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AUDIT Score CalculatorPopular

Complete 10-question WHO alcohol use disorders assessment with instant scoring

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Audit-C Calculator – Am I an Alcoholic?Popular

Screen for alcohol use disorders with AUDIT-C

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BAC Calculator (Blood Alcohol Content)Popular

Calculate blood alcohol content using Widmark formula with time to sobriety

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Caffeine CalculatorPopular

Track daily caffeine intake from coffee, tea, energy drinks with health guidance

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CAGE Questionnaire CalculatorPopular

Complete 4-question CAGE alcohol screening assessment with clinical interpretation

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Cigarette CalculatorPopular

Calculate lifetime cigarette exposure, pack-years, health risks, and smoking costs

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Fagerstrom Test for Nicotine Dependence CalculatorPopular

Assess nicotine dependence severity

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Pack Year CalculatorPopular

Calculate pack-years of smoking history

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Sobriety CalculatorPopular

Calculate sobriety time and milestones

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Alcohol Unit Calculator

Calculate alcohol units in drinks

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CIWA Calculator

Calculate Clinical Institute Withdrawal Assessment

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DUDIT Calculator

Drug Use Disorders Identification Test

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Finnegan Score Calculator

Assess neonatal withdrawal syndrome

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HSI Calculator — Heaviness of Smoking Index

Calculate heaviness of smoking index

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Smoking Recovery Calculator

Track smoking cessation benefits over time

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Standard Drink Calculator

Calculate standard drink equivalents

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🚽Urology & Nephrology Calculators19 tools

Albumin Creatinine Ratio CalculatorPopular

Calculate ACR for kidney disease screening

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Creatinine Clearance CalculatorPopular

Calculate creatinine clearance using Cockcroft-Gault

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FENa Calculator (Fractional Excretion of Sodium)Popular

Calculate fractional excretion of sodium for AKI

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GFR Calculator - Estimated Glomerular Filtration RatePopular

Calculate estimated GFR using CKD-EPI equation

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PSA Density CalculatorPopular

Calculate PSA density for prostate cancer screening

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PSA Doubling Time CalculatorPopular

Calculate PSA doubling time for cancer monitoring

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Adrenal Washout Calculator

Calculate adrenal adenoma washout values

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Bladder Volume Calculator

Calculate bladder volume from ultrasound measurements

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BUN Creatinine Ratio Calculator

Calculate BUN to creatinine ratio

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EORTC Bladder Cancer Recurrence and Progression Calculator

Calculate bladder cancer recurrence and progression risk

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FEUrea Calculator — Acute Kidney Injury Cause Differentiation

Calculate fractional excretion of urea for AKI differentiation

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Kidney Failure Risk Calculator

Calculate 2 and 5-year kidney failure risk

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Kidney STONE Calculator for Percutaneous Neprolithotomy

Calculate STONE score for percutaneous nephrolithotomy

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Kt/V Calculator Daugirdas

Calculate dialysis adequacy using Kt/V Daugirdas formula

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Metastatic Prostate Cancer Prognosis Calculator

Calculate prognosis for metastatic prostate cancer

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Protein Creatinine Ratio Calculator

Calculate protein to creatinine ratio

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TTKG Calculator - Transtubular Potassium Gradient

Calculate transtubular potassium gradient

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Urine Output Calculator

Calculate urine output rate and volume

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URR Calculator - Urea Reduction Ratio

Calculate urea reduction ratio for dialysis adequacy

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🧪Electrolytes & Fluids Calculators22 tools

Acid Base CalculatorPopular

Analyze acid-base status using pH, PCO2, and HCO3 values

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Anion Gap CalculatorPopular

Calculate anion gap for metabolic acidosis evaluation

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Corrected Calcium CalculatorPopular

Calculate corrected calcium levels based on albumin

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Drip Rate CalculatorPopular

Calculate IV drip rate in drops per minute

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IV Flow Rate CalculatorPopular

Calculate intravenous fluid flow rate

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Serum Osmolality CalculatorPopular

Calculate serum osmolality from electrolyte values

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Water Intake CalculatorPopular

Calculate daily water requirements

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Arterial Blood pH Calculator

Calculate arterial blood pH and acid-base balance

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Bicarbonate Deficit Calculator

Calculate bicarbonate deficit for metabolic acidosis

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Corrected Magnesium Calculator

Calculate corrected magnesium levels in hypoalbuminemia

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Drops Per Minute Calculator

Calculate medication drops per minute for IV infusion

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Free Water Deficit Calculator

Calculate free water deficit in hypernatremia

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Parkland Formula Calculator

Calculate fluid resuscitation for burn patients

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Plasma Osmolality Calculator

Calculate plasma osmolality and osmolar gap

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Sodium Change Calculator in Hypertriglyceridemia

Calculate sodium correction in hypertriglyceridemia

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Sodium Correction Calculator

Calculate corrected sodium levels for hyperglycemia

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Sodium Correction Rate Calculator

Calculate safe sodium correction rate for hypo/hypernatremia

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Sodium Deficit Calculator

Calculate sodium deficit in hyponatremia

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Total Body Water Calculator

Calculate total body water content and distribution

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Urine Anion Gap Calculator

Calculate urine anion gap for renal tubular acidosis

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Venous Blood pH Calculator

Calculate venous blood pH and acid-base status

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Winters Formula Calculator

Calculate expected PCO2 in metabolic acidosis compensation

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🆎Hematology Calculators27 tools

4T Score Calculator | HITPopular

Calculate 4T score for heparin-induced thrombocytopenia assessment

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Absolute Lymphocyte Count CalculatorPopular

Calculate absolute lymphocyte count for immunological assessment

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Albumin Globulin Ratio CalculatorPopular

Calculate albumin to globulin ratio for liver function assessment

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Allowable Blood Loss CalculatorPopular

Calculate maximum allowable blood loss during surgery

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ANC Calculator — Absolute Neutrophil CountPopular

Calculate absolute neutrophil count for infection risk assessment

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INR CalculatorPopular

Calculate International Normalized Ratio for anticoagulation monitoring

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NLR CalculatorPopular

Calculate neutrophil to lymphocyte ratio for inflammatory assessment

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Absolute Eosinophil Count Calculator

Calculate absolute eosinophil count from CBC results

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Absolute Reticulocyte Count Calculator

Calculate absolute reticulocyte count for bone marrow evaluation

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Age-Adjusted D-dimer Calculator

Calculate age-adjusted D-dimer cutoff values

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ANC Calculator without Bands

Calculate ANC without band neutrophils count

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Blood Donation Due Date Calculator

Calculate when you can donate blood again

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Blood Donor Calculator

Assess blood donor eligibility and compatibility

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Blood Type Calculator

Determine possible blood types from parent genetics

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Blood Volume Calculator

Calculate total blood volume based on body parameters

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Corrected Reticulocyte Count Calculator

Calculate corrected reticulocyte count for anemia evaluation

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DIC Syndrome Calculator

Calculate DIC score for disseminated intravascular coagulation

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Diffuse Large B-cell Lymphoma Prognosis Calculator

Calculate prognosis for diffuse large B-cell lymphoma patients

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Fresh Frozen Plasma Dose Calculator

Calculate FFP dosage for coagulation factor replacement

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Hematocrit to Hemoglobin Ratio Calculator

Calculate hematocrit to hemoglobin ratio for blood analysis

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Iron Deficiency Calculator

Assess iron deficiency using laboratory parameters

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Mentzer Index Calculator

Calculate Mentzer index to differentiate thalassemia from iron deficiency

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MIPI Calculator (Mantle Cell Lymphoma International Prognostic Index)

Calculate MIPI score for mantle cell lymphoma prognosis

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mmol/L to mg/dL Calculator

Convert laboratory values between mmol/L and mg/dL units

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Plasma Volume Calculator

Calculate plasma volume for blood component therapy

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RBC Indices Calculator | What is MCHC?

Calculate red blood cell indices including MCHC, MCV, and MCH

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Transferrin Saturation Calculator

Calculate transferrin saturation for iron metabolism assessment

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👶Percentile Calculators8 tools

Baby Percentile CalculatorPopular

Calculate baby growth percentiles for height, weight, and head circumference

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Birth Weight Percentile CalculatorPopular

Calculate birth weight percentiles for newborns

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BMI Percentile CalculatorPopular

Calculate BMI percentiles for children and adolescents

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Fetal Weight Percentile CalculatorPopular

Calculate fetal weight percentiles during pregnancy

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IQ Percentile CalculatorPopular

Calculate IQ percentiles and cognitive assessment rankings

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Head Circumference Percentile Calculator

Calculate head circumference percentiles for infant development

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Height Percentile Calculator

Calculate height percentiles for children and adults

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Weight Percentile Calculator

Calculate weight percentiles for pediatric growth assessment

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🧒Pediatric Calculators21 tools

Adjusted Age CalculatorPopular

Calculate corrected age for premature infants

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Amoxicillin Pediatric Dosage CalculatorPopular

Calculate amoxicillin dosage for pediatric patients

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APGAR Score CalculatorPopular

Calculate APGAR score for newborn assessment

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Baby Formula CalculatorPopular

Calculate baby formula feeding amounts and schedule

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GIR Calculator (Glucose Infusion Rate)Popular

Calculate glucose infusion rate for pediatric patients

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Infant Tylenol Dosage CalculatorPopular

Calculate safe Tylenol dosage for infants and children

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Pediatric Blood Pressure CalculatorPopular

Calculate blood pressure percentiles for children

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Pediatric Dose CalculatorPopular

Calculate medication doses for children

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Pediatric Epinephrine Dose CalculatorPopular

Calculate epinephrine dosage for pediatric emergencies

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Baby Eye Color Calculator

Predict baby eye color based on parent genetics

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Baby's Milk Intake Calculator

Calculate appropriate milk intake for infants

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Exclusive Pumping Calculator

Calculate breast milk pumping schedule and amounts

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Maintenance Fluids Calculator

Calculate maintenance fluid requirements for children

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Newborn Hyperbilirubinemia Assessment Calculator

Assess newborn jaundice and bilirubin levels

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Paracetamol Dosage Calculator

Calculate paracetamol (acetaminophen) dosage for children

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PECARN Calculator

Assess head injury risk in children (PECARN rules)

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Pediatric Blood Transfusion Volume Calculator

Calculate blood transfusion volumes for pediatric patients

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Pediatric Blood Volume Calculator

Calculate total blood volume in pediatric patients

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Pediatric Epworth Sleepiness Scale Calculator

Assess sleepiness in children

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Pediatric GFR Calculator - Glomerular Filtration Rate

Calculate glomerular filtration rate for children

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Pediatric Ibuprofen Dosage Calculator

Calculate safe ibuprofen dosage for children

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💨Pulmonary Calculators19 tools

Aa Gradient CalculatorPopular

Calculate alveolar-arterial oxygen gradient

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BODE Index CalculatorPopular

Calculate BODE index for COPD prognosis

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CURB-65 CalculatorPopular

Assess pneumonia severity using CURB-65 score

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FEV1/FVC Ratio CalculatorPopular

Calculate FEV1/FVC ratio for spirometry interpretation

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Oxygenation Index CalculatorPopular

Calculate oxygenation index for ARDS assessment

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RSBI Calculator - Rapid Shallow Breathing IndexPopular

Calculate rapid shallow breathing index for weaning

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Dead Space Calculator

Calculate physiological dead space ratio

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Endotracheal Tube Size Calculator

Calculate appropriate endotracheal tube size

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Light's Criteria Calculator for Pleural Effusion

Differentiate transudative from exudative pleural effusion

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Lung Cancer Risk Calculator

Assess lung cancer risk and screening recommendations

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Lung Capacity Calculator

Calculate total lung capacity and lung volumes

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Lung Nodule Growth Rate Calculator

Calculate lung nodule doubling time and growth rate

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Mean Airway Pressure Calculator

Calculate mean airway pressure for mechanical ventilation

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Peak Flow Calculator — Estimated Peak Expiratory Flow

Calculate predicted peak expiratory flow rate

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PF Ratio Calculator

Calculate P/F ratio for oxygenation assessment

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PSI Calculator

Calculate Pneumonia Severity Index score

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Qp/Qs Calculator

Calculate pulmonary to systemic flow ratio

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Tidal Volume Calculator

Calculate ideal tidal volume for mechanical ventilation

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Vital Capacity Calculator

Calculate vital capacity and predicted lung volumes

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🧠Psychiatry & Psychology Calculators5 tools

Depression Screening by PHQ-2 CalculatorPopular

Screen for depression using PHQ-2 questionnaire

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EPDS CalculatorPopular

Edinburgh Postnatal Depression Scale calculator

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GAD-7 CalculatorPopular

Generalized Anxiety Disorder 7-item scale calculator

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Happiness Calculator

Assess subjective well-being and happiness levels

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Snap Score Calculator

Calculate SNAP score for ADHD assessment

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🚑Intensive & Emergency Care Calculators16 tools

Alvarado Score CalculatorPopular

Calculate Alvarado score for acute appendicitis diagnosis

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APACHE II CalculatorPopular

Calculate APACHE II score for ICU mortality prediction

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GCS Calculator (Glasgow Coma Scale)Popular

Calculate Glasgow Coma Scale for neurological assessment

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MEWS Score CalculatorPopular

Calculate Modified Early Warning Score for patient deterioration

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NIH Stroke Scale CalculatorPopular

Calculate NIH Stroke Scale for stroke severity assessment

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qSOFA Score CalculatorPopular

Calculate quick SOFA score for sepsis screening

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SOFA Score CalculatorPopular

Calculate Sequential Organ Failure Assessment score

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ICH Score Calculator

Calculate ICH score for intracerebral hemorrhage prognosis

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Injury Severity Score Calculator

Calculate ISS for trauma severity assessment

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LRINEC Score Calculator

Calculate LRINEC score for necrotizing soft tissue infection

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NEDOCS Calculator

Calculate NEDOCS score for emergency department overcrowding

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Revised Trauma Score Calculator

Calculate Revised Trauma Score for trauma triage

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SAPS II Calculator: Simplified Acute Physiology II Score Calculator

Calculate SAPS II score for ICU mortality prediction

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SCORAD Calculator - SCORing Atopic Dermatitis

Calculate SCORAD index for atopic dermatitis severity

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Sepsis Calculator (Sepsis-3 Criteria)

Assess sepsis using Sepsis-3 criteria and definitions

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Shock Index Calculator

Calculate shock index for hemodynamic assessment

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🍽️Digestive System Calculators9 tools

APRI CalculatorPopular

Calculate AST to Platelet Ratio Index for liver fibrosis assessment

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AST ALT Ratio CalculatorPopular

Calculate AST/ALT ratio for liver function evaluation

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Child Pugh CalculatorPopular

Calculate Child-Pugh score for liver cirrhosis severity

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FIB-4 CalculatorPopular

Calculate FIB-4 index for liver fibrosis assessment

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MELD Calculator (Model for End-Stage Liver Disease)Popular

Calculate MELD score for liver transplant prioritization

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CDAI Calculator (Crohn's Disease Activity Index)

Calculate Crohn's Disease Activity Index for disease severity

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Lille Score Calculator

Calculate Lille score for alcoholic hepatitis treatment response

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Maddrey's Discriminant Function Calculator

Calculate Maddrey's discriminant function for alcoholic hepatitis

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NAFLD Fibrosis Score Calculator

Calculate NAFLD fibrosis score for non-alcoholic fatty liver disease

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👥Epidemiology Calculators13 tools

COVID-19 Mortality Risk CalculatorPopular

Calculate COVID-19 mortality risk based on age, comorbidities, and demographics

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Incidence Rate CalculatorPopular

Calculate disease incidence rates and cumulative incidence in populations

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Mortality Rate CalculatorPopular

Calculate crude and age-adjusted mortality rates for populations

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Denver HIV Risk Score Calculator

Calculate HIV risk score using Denver screening criteria

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Event Risk Calculator

Calculate risk of encountering COVID-19 positive individuals at events

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Hand Sanitizer Calculator

Calculate proper hand sanitizer concentration and usage requirements

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Infectious Disease SIR Model

Calculate epidemic spread using Susceptible-Infected-Recovered model

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Mask vs No Mask Calculator

Calculate infection risk reduction with and without mask wearing

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Max Vaccine Immunity Calculator

Calculate maximum population immunity after vaccination campaigns

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NNT Calculator

Calculate Number Needed to Treat for medical interventions

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Reopening Calculator

Calculate safe reopening metrics based on COVID-19 transmission rates

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Social Distancing Calculator

Calculate optimal social distancing measures for pandemic control

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Swiss Cheese Model Calculator

Calculate layered defense effectiveness using Swiss cheese safety model

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☢️Radiology Calculators4 tools

BED CalculatorPopular

Calculate Biologically Effective Dose for radiation therapy planning

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Radiation Dose CalculatorPopular

Calculate absorbed radiation dose and equivalent dose conversions

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Medical Radiation Calculator

Calculate radiation exposure and safety limits for medical procedures

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TI-RADS Calculator

Calculate Thyroid Imaging Reporting and Data System risk assessment

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🔄Redundant Calculators14 tools

Blood Pregnancy Test: What Do HCG Results Mean?Popular

Interpret HCG blood test results for pregnancy confirmation

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Circadian Rhythm CalculatorPopular

Calculate optimal circadian rhythm timing for better sleep health

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Sleep Time CalculatorPopular

Calculate optimal sleep duration and timing for rest quality

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90 Minute Sleep Cycle Calculator

Calculate optimal sleep timing based on 90-minute sleep cycles

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Excessive Weight Gain in Pregnancy

Calculate and assess excessive weight gain during pregnancy

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How to Maintain or Lose Weight During Pregnancy?

Calculate safe weight management strategies during pregnancy

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Is BMI (Body Mass Index) a Weight Gain Indicator in Pregnancy?

Determine if BMI indicates healthy pregnancy weight gain patterns

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Positive Pregnancy Test at 3 Weeks Pregnant: Possible or Not?

Calculate likelihood of positive pregnancy test at 3 weeks gestation

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Pregnancy Weight Gain: Week by Week Breakdown

Calculate detailed weekly pregnancy weight gain progression

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Twin Pregnancy Weight Gain Calculator

Calculate healthy weight gain specifically for twin pregnancies

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Urine Home Pregnancy Test

Calculate accuracy and timing for home urine pregnancy tests

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Wake Up Calculator

Calculate optimal wake up time based on sleep cycles

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What is a False Negative Pregnancy Test?

Calculate probability and causes of false negative pregnancy tests

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What to do after you get a positive pregnancy test?

Calculate next steps and timeline after positive pregnancy test

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💊Dosage Calculators28 tools

Adderall Dosage CalculatorPopular

Calculate optimal Adderall dosage for ADHD treatment

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Benzodiazepine Conversion CalculatorPopular

Convert between different benzodiazepine medications

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Dosage CalculatorPopular

Calculate medication dosages for patients

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Drug Half-Life CalculatorPopular

Calculate drug elimination half-life and clearance

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Levothyroxine Dosage CalculatorPopular

Calculate levothyroxine dosage for hypothyroidism

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Melatonin Dosage CalculatorPopular

Calculate optimal melatonin dosage for sleep disorders

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MME CalculatorPopular

Calculate morphine milligram equivalents for opioid prescribing

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Tylenol Overdose CalculatorPopular

Assess acetaminophen overdose risk and treatment

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Aleve Dosage Calculator

Calculate safe Aleve (naproxen) dosage

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Benadryl Dosage Calculator

Calculate Benadryl dosage for allergies

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Carboplatin Calculator

Calculate carboplatin chemotherapy dosage using Calvert formula

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Cefdinir Dose Calculator

Calculate cefdinir antibiotic dosage

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Fish Oil Calculator

Calculate optimal fish oil and omega-3 dosage

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Gabapentin Dosage Calculator

Calculate gabapentin dosage for neuropathic pain

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Hydroxychloroquine Dose Calculator

Calculate hydroxychloroquine dosage for autoimmune conditions

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Isotretinoin Dose Calculator

Calculate isotretinoin (Accutane) dosage for acne treatment

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IVIG Dose Calculator

Calculate intravenous immunoglobulin dosage

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Lidocaine Dose Calculator

Calculate lidocaine dosage for local anesthesia

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Local Anesthetic Calculator

Calculate local anesthetic dosage and maximum safe dose

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mcg to IU Converter

Convert micrograms to international units for vitamins

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Opioid Conversion Calculator

Convert between different opioid medications

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Peptide Dosage Calculator

Calculate peptide dosage for therapeutic use

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Prescription Refill Calculator

Calculate when prescription refills are due

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Steroid Conversion Calculator

Convert between different corticosteroid medications

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tPA Calculator – Stroke Dosing

Calculate tissue plasminogen activator dosage for stroke

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Tramadol Dosage Calculator

Calculate tramadol dosage for pain management

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Tylenol Dosage Calculator

Calculate safe Tylenol (acetaminophen) dosage

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Warfarin Dosing Calculator

Calculate warfarin dosage for anticoagulation therapy

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🏥Other Calculators18 tools

Aldrete Score CalculatorPopular

Calculate Aldrete recovery score for post-anesthesia discharge readiness

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Berg Balance Test CalculatorPopular

Calculate Berg Balance Scale score for fall risk assessment

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DASI Calculator (Duke Activity Status Index)Popular

Calculate Duke Activity Status Index for functional capacity assessment

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Free Testosterone Calculator — with Bioavailable LevelsPopular

Calculate free and bioavailable testosterone levels from total testosterone

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20/20 Vision Calculator for 2020

Calculate visual acuity and 20/20 vision assessment for 2020 standards

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Age Calculator

Calculate exact age in years, months, and days

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BASDAI Score Calculator

Calculate Bath Ankylosing Spondylitis Disease Activity Index score

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Beighton Score Calculator

Calculate Beighton hypermobility score for joint flexibility assessment

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Centor Score Calculator (Modified/McIsaac)

Calculate Centor criteria score for streptococcal pharyngitis diagnosis

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Dog Walking Benefits Calculator

Calculate health benefits and calories burned from dog walking

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EASI Score Calculator

Calculate Eczema Area and Severity Index score for atopic dermatitis

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Fatigue Severity Scale Calculator

Calculate fatigue severity scale score for chronic fatigue assessment

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Gut Microbiome Score Calculator

Calculate gut microbiome health score based on dietary and lifestyle factors

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Height Calculator

Predict adult height for children

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Hot Car Calculator

Calculate dangerous temperature rise in parked vehicles for safety

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Noise Pollution Calculator - Maximal Exposure Time

Calculate safe noise exposure time limits and hearing protection needs

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Pokémon GO Weight Loss Calculator

Calculate calories burned and weight loss potential from Pokémon GO gameplay

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Time Of Death Calculator

Calculate estimated time of death using body temperature and environmental factors

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Health & Wellness Tips

📊 Track Your Health

Regular monitoring of health metrics like BMI, blood pressure, and nutrition helps identify trends and maintain optimal wellness over time.

💊 Medication Safety

Always consult healthcare professionals before taking medications. Our dosage calculators are tools for reference but never replace medical advice.

🎯 Set Realistic Goals

Use our calculators to set achievable health goals. Whether it's weight management, fitness, or nutrition - small consistent changes create lasting results.

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