Pounds to Grams Converter
Convert weight between pounds and grams with precise calculations for cooking, science, and everyday use
Weight Conversion Calculator
1 pound = 453.59237 grams (exact)
1 gram = 0.00220462 pounds
Conversion Result
Quick Reference:
• 1 pound = 453.59237 grams
• 1 gram = 0.00220462 pounds
• 1 kilogram = 2.20462 pounds
Common Pounds to Grams Conversions
Common Weights
Pounds | Grams |
---|---|
0.25 lb | 113.4 g |
0.5 lb | 226.8 g |
1 lb | 453.6 g |
2 lb | 907.2 g |
5 lb | 2,268 g |
10 lb | 4,536 g |
50 lb | 22,680 g |
Weight Relationships
Example Conversions
Example 1: Recipe Conversion
Problem: A recipe calls for 1.5 pounds of flour. How many grams is that?
Solution: 1 pound = 453.59237 grams
Calculation: 1.5 lb × 453.59237 = 680.39 grams
Answer: 680.39 grams of flour
Example 2: Ingredient Measurement
Problem: You need 500 grams of sugar. How many pounds is that?
Solution: 1 gram = 0.00220462 pounds
Calculation: 500 g × 0.00220462 = 1.102 pounds
Answer: 1.102 pounds (approximately 1.1 lb)
Example 3: Weight Measurement
Problem: Convert 3 pounds of meat to grams
Solution: Multiply pounds by 453.59237
Calculation: 3 lb × 453.59237 = 1,360.78 grams
Answer: 1,360.78 grams (or about 1.36 kg)
Quick Reference
Common Uses
Cooking & Baking
Recipe measurements and ingredient conversions
Science & Lab Work
Precise measurements for experiments
Fitness & Nutrition
Food portioning and dietary tracking
Shipping & Packaging
Package weight calculations
Shopping & Retail
Product weight comparisons
Conversion Tips
1 pound is approximately 454 grams (easy to remember)
For cooking, rounding to 450g per pound is often sufficient
1 kilogram equals about 2.2 pounds
Digital scales often switch between pounds and grams
Use precise conversions for scientific measurements
Understanding Pounds and Grams Conversion
What are Pounds and Grams?
Pounds (lb) and grams (g) are units of mass used to measure weight. The pound is primarily used in the United States and United Kingdom, while the gram is part of the metric system used in most other countries. Understanding both systems is essential for international recipes, scientific work, and everyday measurements.
Why Convert Between Them?
- •International Recipes: Convert measurements from different countries
- •Scientific Accuracy: Metric system provides precise measurements
- •Shopping: Compare product weights across different systems
Conversion Formula
Grams = Pounds × 453.59237
Pounds = Grams × 0.00220462
The conversion factor 453.59237 is the exact number of grams in one pound. This is based on the international avoirdupois pound, which is the standard used in most countries.
Tip: For quick calculations, you can use 454 grams per pound. This provides accuracy sufficient for most cooking and everyday purposes.
Weight Measurement Systems
Imperial System
Used in US and UK
Units: ounces, pounds, stones, tons
Metric System
Used worldwide
Units: milligrams, grams, kilograms, metric tons
Common Conversions
Quick reference
1 lb ≈ 454g, 1 kg ≈ 2.2 lb
Practical Tips
🍰 Baking Precision
Baking requires accurate measurements. Use the exact conversion (453.59237 g/lb) for best results in pastry and bread making.
🥘 Cooking Flexibility
For most cooking, rounding to 450g per pound is acceptable. Small variations won't significantly affect the outcome.
⚖️ Digital Scales
Modern kitchen scales can switch between pounds and grams. Check your scale's manual for the conversion button.
🌍 International Recipes
When following international recipes, always convert measurements to your preferred system before starting to avoid confusion mid-recipe.