Statistics Calculators

2 Dice Roller CalculatorPopular

Roll two virtual dice with complete probability analysis and statistical insights

6 Sided Dice Probability CalculatorPopular

Calculate probabilities for 6-sided dice rolls with comprehensive statistical analysis

6 Sided Dice Roller CalculatorPopular

Roll virtual 6-sided dice with complete statistical analysis and visual representation

Accuracy CalculatorPopular

Calculate statistical accuracy and precision metrics

AND Probability CalculatorPopular

Calculate joint probability of multiple events occurring together (intersection)

ANOVA CalculatorPopular

Perform analysis of variance statistical tests

Bayes' Theorem CalculatorPopular

Calculate conditional probability using Bayes' theorem

Bertrand's ParadoxPopular

Explore the geometric probability paradox with three different solutions

Birthday Paradox CalculatorPopular

Calculate probability of shared birthdays in groups

Coin Flip Probability CalculatorPopular

Calculate probabilities for coin flip sequences

Coin FlipperPopular

Flip virtual coins and track results

Combination CalculatorPopular

Calculate combinations (nCr) for probability problems

Combination without Repetition CalculatorPopular

Calculate combinations without repetition using C(n,r) = n! / (r!(n-r)!)

Combinations with Repetition CalculatorPopular

Calculate combinations with repetition using C'(n,r) = (r+n-1)! / (r!(n-1)!)

Conditional Probability CalculatorPopular

Calculate conditional probability P(A|B)

Custom Dice Roller CalculatorPopular

Roll up to 15 custom dice with different numbers of sides and statistical analysis

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D100 Dice Roller CalculatorPopular

Roll 100-sided dice (percentile dice) for RPGs, D&D, and percentage-based gaming mechanics

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D20 Dice Roller CalculatorPopular

Roll 20-sided dice for D&D, RPGs, and tabletop gaming with attack rolls and saving throws

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Decimal Odds CalculatorPopular

Calculate decimal odds, convert betting odds formats, and analyze win probabilities

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Decimal Random Number GeneratorPopular

Generate uniformly distributed random decimal numbers with customizable precision and statistical analysis

Dice Probability CalculatorPopular

Calculate probabilities for dice roll outcomes

Dice Roller CalculatorPopular

Roll virtual dice and analyze results

DnD Dice Roller CalculatorPopular

Roll multiple D&D dice (D4, D6, D8, D10, D12, D20, D100) with modifiers, advantage/disadvantage, and statistical analysis

Expected Value CalculatorPopular

Calculate expected value for probability distributions

False Positive CalculatorPopular

Calculate false positive rates, diagnostic test accuracy, and predictive values for medical testing

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Fractional Odds CalculatorPopular

Calculate fractional odds, convert probabilities to betting odds formats

Lottery CalculatorPopular

Calculate lottery winning probabilities and odds

Monty Hall Problem CalculatorPopular

Explore the famous Monty Hall probability paradox

Odds CalculatorPopular

Convert between different odds formats and probabilities

OR Probability CalculatorPopular

Calculate union probability P(A ∪ B) for two events with step-by-step solutions

Permutation CalculatorPopular

Calculate permutations (nPr) for arrangements

Permutation with Repetition CalculatorPopular

Calculate permutations where elements can be repeated using n^r formula

Permutation without Repetition CalculatorPopular

Calculate permutations nPr where order matters and elements cannot be repeated

Possible Combinations CalculatorPopular

Calculate possible combinations with and without repetition using statistical formulas

Probability CalculatorPopular

Calculate general probability for various scenarios

Probability Fraction CalculatorPopular

Convert probability to fraction, decimal, and percentage formats with automatic simplification

Random Number GeneratorPopular

Generate random numbers with various distributions

Bertrand's Box Paradox

Explore the classic Bertrand's box probability paradox

Boy or Girl Paradox

Explore conditional probability with gender scenarios

Chebyshev's Theorem Calculator

Calculate probability bounds using Chebyshev's theorem

Coin Toss Streak Calculator

Calculate probability of coin toss streaks

Confusion Matrix Calculator

Calculate performance metrics from confusion matrix

Dice Average Calculator

Calculate average outcomes for dice rolls

False Positive Paradox Calculator

Explore false positive rates in statistical testing

Implied Probability Calculator

Convert betting odds to implied probabilities

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Moneyline Odds Calculator

Calculate American moneyline odds and convert to probabilities

P-Hat Calculator

Calculate sample proportion (p-hat) statistics

Parrondo's Paradox Calculator

Explore the counterintuitive Parrondo's paradox

Password Combination Calculator

Calculate password complexity and combinations

Post-Test Probability Calculator

Calculate post-test probability in diagnostic testing

Probability of 3 Events Calculator

Calculate probability of three independent events

Random Dice Roller

Roll up to 15 customizable dice with complete probability analysis, statistics, and roll history tracking

Relative Risk Calculator

Calculate relative risk for epidemiological studies

Risk Calculator

Calculate various types of statistical risk measures

Roulette Payout Calculator

Calculate roulette odds and expected payouts

Sensitivity and Specificity Calculator

Calculate diagnostic test performance metrics

Sensitivity Calculator

Calculate diagnostic test sensitivity, specificity, and performance metrics for medical and statistical analysis

Specificity Calculator

Calculate diagnostic test specificity, true negative rate, and performance metrics for medical and statistical analysis

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Two Dice Probability Calculator

Calculate probabilities for rolling two dice with various conditions including exact sums, doubles, and specific outcomes with comprehensive analysis

Two Envelopes Paradox Calculator

Explore the two envelopes probability paradox

🔔Distributions and Plots Calculators36 tools

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90% Confidence Interval CalculatorPopular

Calculate 90% confidence intervals for population means with detailed statistical analysis

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95% Confidence Interval CalculatorPopular

Calculate 95% confidence intervals for population means with detailed statistical analysis

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99% Confidence Interval CalculatorPopular

Calculate 99% confidence intervals for population means with maximum statistical certainty

Benford's Law CalculatorPopular

Analyze digit distribution using Benford's law

Binomial Distribution CalculatorPopular

Calculate binomial distribution probabilities

Box Plot CalculatorPopular

Generate box plots and five-number summaries

Central Limit Theorem CalculatorPopular

Demonstrate central limit theorem principles

Chi-Square CalculatorPopular

Perform chi-square tests and calculate probabilities

Confidence Interval CalculatorPopular

Calculate confidence intervals for means and proportions

Empirical Rule CalculatorPopular

Apply the 68-95-99.7 rule for normal distributions

Frequency Distribution CalculatorPopular

Create frequency distribution tables

Histogram CalculatorPopular

Create histograms and analyze data distributions

Normal Distribution CalculatorPopular

Calculate normal distribution probabilities and z-scores

Pie Chart CalculatorPopular

Create pie charts and calculate percentages

Poisson Distribution CalculatorPopular

Calculate Poisson distribution probabilities

Rayleigh Distribution CalculatorPopular

Calculate Rayleigh distribution PDF, CDF, quantiles, and statistical properties

Relative Frequency CalculatorPopular

Calculate relative frequencies, experimental probabilities, and frequency percentages

Beta Distribution Calculator

Calculate beta distribution probabilities and statistics

Class Width Calculator

Calculate optimal class width for histograms

Continuity Correction Calculator

Apply continuity correction for discrete distributions

Dot Plot Calculator

Create dot plots for data visualization

Exponential Distribution Calculator

Calculate exponential distribution probabilities

Exponential Growth Prediction Calculator

Predict exponential growth patterns

Frequency Polygon Calculator

Generate frequency polygons from data

Geometric Distribution Calculator

Calculate geometric distribution probabilities

Hypergeometric Distribution Calculator

Calculate hypergeometric distribution probabilities

Inverse Normal Distribution Calculator

Find z-scores and percentiles for normal distributions

Lognormal Distribution Calculator

Calculate lognormal distribution probabilities

Negative Binomial Distribution Calculator

Calculate negative binomial distribution probabilities

Normal Probability Calculator for Sampling Distributions

Calculate probabilities for sampling distributions

Sampling Distribution of the Sample Proportion Calculator

Analyze sampling distributions of proportions

SMp(x) Distribution Calculator

Calculate SMp(x) distribution probabilities

Stem and Leaf Plot Calculator

Create stem-and-leaf plots for data analysis

Uniform Distribution Calculator

Calculate uniform distribution probabilities

Upper Control Limit Calculator

Calculate control limits for quality control

Weibull Distribution Calculator

Calculate Weibull distribution probabilities

📊Descriptive Statistics Calculators56 tools

5 Number Summary CalculatorPopular

Calculate five number summary (min, Q1, median, Q3, max)

Ascending Order CalculatorPopular

Sort numbers in ascending order (least to greatest) with statistical analysis

Coefficient of Variation CalculatorPopular

Calculate coefficient of variation for data sets

Correlation Coefficient CalculatorPopular

Calculate Pearson correlation coefficient

Covariance CalculatorPopular

Calculate covariance between two variables

Descriptive Statistics CalculatorPopular

Calculate comprehensive descriptive statistics

First Quartile CalculatorPopular

Calculate Q1 (25th percentile), median, quartiles, and five-number summary for statistical analysis

Greatest To Least CalculatorPopular

Sort numbers in descending order from highest to lowest value

IQR Calculator - Interquartile RangePopular

Calculate interquartile range and quartiles

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Least to Greatest Decimals CalculatorPopular

Sort decimal numbers in ascending order from smallest to largest

Mean Absolute Deviation CalculatorPopular

Calculate mean absolute deviation from mean

Mean Median Mode CalculatorPopular

Calculate mean, median, and mode for data sets

Median CalculatorPopular

Calculate median value for data sets

Mode CalculatorPopular

Calculate mode (most frequent value) in data

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Ordering Decimals CalculatorPopular

Sort decimal numbers in ascending or descending order with step-by-step comparison

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Ordering Numbers CalculatorPopular

Sort numbers using different algorithms with step-by-step explanations

Outlier CalculatorPopular

Identify outliers using IQR and other methods

Pearson Correlation CalculatorPopular

Calculate Pearson product-moment correlation

Percentile CalculatorPopular

Calculate percentiles for data distributions

Quartile CalculatorPopular

Calculate quartiles (Q1, Q2, Q3) for data

Range CalculatorPopular

Calculate range (max - min) of data values

Skewness CalculatorPopular

Calculate skewness of data distribution

Spearman's Correlation CalculatorPopular

Calculate Spearman's rank correlation coefficient for monotonic relationships

Standard Deviation CalculatorPopular

Calculate sample and population standard deviation

Standard Deviation of Sample Mean CalculatorPopular

Calculate standard deviation of sample means (σX̄)

Standard Error CalculatorPopular

Calculate standard error of the mean

Variance CalculatorPopular

Calculate sample and population variance

Average Rating Calculator

Calculate average ratings and weighted scores

Cohen's D Calculator

Calculate Cohen's d effect size measure

Constant of Proportionality Calculator

Calculate constant of proportionality for relationships

Correlation Coefficient Calculator (Matthews)

Calculate Matthews correlation coefficient

Decile Calculator

Calculate deciles for data distribution

Dispersion Calculator

Calculate measures of dispersion and spread

Error Propagation Calculator

Calculate error propagation in measurements

Grouped Data Standard Deviation Calculator

Calculate standard deviation for grouped data

Index of Qualitative Variation Calculator

Calculate IQV for categorical data diversity

Least to Greatest Calculator

Sort data from least to greatest values

Lower Fence Calculator

Calculate lower fence for outlier detection using quartiles and IQR

Median Absolute Deviation Calculator

Calculate median absolute deviation (MAD)

Midrange Calculator

Calculate midrange of data distribution

Minimum and Maximum Calculator

Find minimum and maximum values in data

MSE Calculator — Mean Squared Error

Calculate mean squared error for predictions

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Order from Least to Greatest Calculator

Order numbers, fractions, and expressions from least to greatest

Percentile Rank Calculator

Calculate percentile rank for specific values

Pooled Standard Deviation Calculator

Calculate pooled standard deviation for groups

Population Variance Calculator

Calculate population variance and standard deviation

Process Capability Index Calculator

Calculate process capability indices (Cp, Cpk)

Relative Standard Deviation Calculator

Calculate relative standard deviation (RSD)

RSE Calculator — Relative Standard Error

Calculate relative standard error for estimates

Simpson's Diversity Index Calculator

Calculate Simpson's diversity index for populations

Standard Deviation Index Calculator

Calculate standardized deviation indices

Sum of Squares Calculator

Calculate sum of squares for data analysis

Third Quartile Calculator

Calculate the third quartile (Q3), quartiles, interquartile range, and percentile analysis from your dataset with detailed statistical explanations

Upper and Lower Fence Calculator

Calculate upper and lower fences for outlier detection

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Upper Fence Calculator

Calculate upper and lower fences for outlier detection, box plot analysis, and data quality control with comprehensive statistical explanations

Venn Diagram Calculator

Calculate probabilities using Venn diagrams

📉Inference, Regression, and Statistical Tests Calculators32 tools

AB Test CalculatorPopular

Calculate statistical significance for A/B tests

Coefficient of Determination Calculator (R-squared)Popular

Calculate R-squared for regression analysis

Critical Value CalculatorPopular

Calculate critical values for statistical tests

Degrees of Freedom CalculatorPopular

Calculate degrees of freedom for statistical tests

F-statistic CalculatorPopular

Calculate F-statistic for ANOVA and regression

Hypothesis Testing CalculatorPopular

Perform comprehensive hypothesis testing

Linear Regression CalculatorPopular

Perform linear regression analysis and predictions

Margin of Error CalculatorPopular

Calculate margin of error for surveys and polls

p-value CalculatorPopular

Calculate p-values for statistical tests

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Quartic Regression CalculatorPopular

Fit 4th-degree polynomial regression models with least squares method and R-squared analysis

t-statistic CalculatorPopular

Calculate t-statistic for hypothesis testing

t-test CalculatorPopular

Perform one-sample, two-sample, and paired t-tests

Z-score CalculatorPopular

Calculate z-scores and standardized values

Z-test CalculatorPopular

Perform z-tests for population means and proportions

Absolute Uncertainty Calculator

Calculate absolute uncertainty in measurements

Bonferroni Correction Calculator

Apply Bonferroni correction for multiple comparisons

Cubic Regression Calculator

Perform cubic regression analysis

Exponential Regression Calculator

Perform exponential regression analysis

Fisher's Exact Test Calculator

Perform Fisher's exact test for categorical data

Fisher's Exact Test Calculator

Perform Fisher's exact test for categorical data

Mann-Whitney U Test Calculator

Perform Mann-Whitney U test for non-parametric data

McNemar's Test Calculator

Perform McNemar's test for paired categorical data

Normal Approximation Calculator

Apply normal approximation to binomial distribution

Point Estimate Calculator

Calculate point estimates for population parameters

Polynomial Regression Calculator

Perform polynomial regression analysis

Quadratic Regression Calculator

Perform quadratic regression analysis

Raw Score Calculator

Convert between raw scores and standardized scores

Relative Error Calculator

Calculate relative error in measurements

Residual Calculator

Calculate residuals for regression analysis

Sampling Error Calculator

Calculate sampling error for statistical estimates

Wilcoxon Rank-Sum Test Calculator

Perform Wilcoxon rank-sum test

Youden Index Calculator

Calculate Youden index for diagnostic tests

🔧Other Calculators2 tools

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Sample Size CalculatorPopular

Calculate required sample size for statistical studies

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Shannon Entropy Calculator

Calculate Shannon entropy for information theory

🔄Redundant Calculators7 tools

10 Sided Dice Roller Calculator

Roll virtual 10-sided dice (identical to dice roller)

4-Sided Dice Roller Calculator

Roll virtual 4-sided dice (D4) with complete statistical analysis and probability calculations

Pie Chart Angle Calculator

Calculate pie chart angles (identical to pie chart calculator)

Pie Chart Percentage Calculator

Calculate pie chart percentages (identical to pie chart calculator)

Third Quartile Calculator

Calculate third quartile (Q3) (identical to quartile calculator)

Two Dice Probability Calculator

Calculate two dice probabilities (identical to dice probability)

Upper Fence Calculator

Calculate upper fence for outliers (identical to upper and lower fence)