Pounds ↔ Grams Converter
Use this quick converter for pounds to grams (lb to g) and grams to pounds (g to lb).
1 pound = 453.59237 grams.
How many grams are in a pound?
There are exactly 453.59237 grams in 1 pound. This is the standard used in science, nutrition, cooking, shipping, and everyday measurements.
How to use this grams in a pound calculator
- Type a value in the Pounds field and click Convert lb → g.
- Or type a value in the Grams field and click Convert g → lb.
- Use the Clear button to reset both fields.
Conversion formula
Pounds to grams: grams = pounds × 453.59237
Grams to pounds: pounds = grams ÷ 453.59237
Quick reference table (lb to g)
| Pounds (lb) | Grams (g) |
|---|---|
| 0.25 | 113.398 g |
| 0.5 | 226.796 g |
| 1 | 453.592 g |
| 2 | 907.185 g |
| 5 | 2,267.962 g |
| 10 | 4,535.924 g |
Why this conversion matters
1) Cooking and baking
Many U.S. recipes use pounds while most kitchen scales show grams. Converting accurately helps you avoid overly dry or overly wet recipes.
2) Nutrition and meal prep
Protein portions, produce, and bulk ingredients are often tracked in grams. Converting from pounds makes macros and calorie tracking easier.
3) Shipping and inventory
Online sellers may buy in pounds but label internationally in grams. A fast conversion saves time and reduces labeling mistakes.
Frequently asked questions
Is 454 grams equal to 1 pound?
It is very close. The exact value is 453.59237 grams, so 454 grams is a common rounded estimate.
How do I convert pounds to grams mentally?
For a quick estimate, multiply pounds by 454. For exact work (science, labeling, or strict recipes), use 453.59237.
Can I convert decimal pounds?
Yes. This calculator accepts whole numbers and decimals, like 0.75 lb, 2.2 lb, or 10.5 lb.