Pounds to Grams (lb to g) Converter
1 pound equals 453.59237 grams (g) — multiply pounds by 453.59237 to convert. This factor is the exact international definition of the avoirdupois pound.
The formula
To convert pounds to grams, multiply by the exact factor:
g = lb × 453.59237
For example, 2.5 lb × 453.59237 = 1133.98 g. To reverse it, divide by 453.59237 (or multiply by 0.00220462).
Conversion table
| Pounds (lb) | Grams (g) |
|---|---|
| 1 | 453.59237 |
| 2 | 907.18474 |
| 3 | 1360.77711 |
| 5 | 2267.96185 |
| 10 | 4535.9237 |
| 25 | 11339.80925 |
| 50 | 22679.6185 |
| 100 | 45359.237 |
| 500 | 226796.185 |
| 1000 | 453592.37 |
How to convert online
- Type the number of pounds in the first box.
- Read the gram result instantly in the second box.
- Enter a gram value to convert back the other way.
Use the Pound to Gram Converter — free and instant in your browser.
Where this conversion is used
Pounds to grams is essential in cooking with metric recipes, science and lab work, postage and shipping, and fitness or nutrition tracking where product weights are labelled in grams but familiar weights are in pounds. The exact factor keeps precise measurements accurate.
FAQ
How many grams are in a pound?
One pound equals 453.59237 grams. So 10 pounds is 4535.9237 grams.
What is the formula to convert pounds to grams?
Multiply the pound value by 453.59237: g = lb × 453.59237.
How do I convert grams back to pounds?
Divide by 453.59237, or multiply by 0.00220462. For example, 4535.9237 g ÷ 453.59237 = 10 pounds.
Is the conversion exact?
Yes. The pound is defined as exactly 453.59237 grams, so the converter never rounds by hand.
Related converters
- Gram to Pound Converter
- Pound to Kilogram Converter
- Pound to Ounce Converter
- Pound to Milligram Converter
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