Convert pounds to grams instantly. Enter a value below, or use the formula and reference table further down the page.
In practice
Pounds-to-grams comes up when an American or British recipe meets a kitchen scale set to metric, and in postage and shipping where small parcels are priced by gram. The exact relationship is 1 lb = 453.59237 g (the 1959 international definition), so a 2 lb bag of flour is 907 g, not a tidy 900 g, and 1 lb of butter is about 454 g. Many cooks round to 450 g, which is fine for bread or stew but can matter in baking where ratios are tight — if a recipe lists a pound, weighing 454 g keeps you closest to what the author tested.
How to convert pounds to grams
Multiply the value by 453.59237.
g = lb × 453.59237Example: 10 lb = 4535.9237 g.
Pounds to Grams conversion table
| Pounds (lb) | Grams (g) |
|---|---|
| 1 lb | 453.5924 g |
| 2 lb | 907.1847 g |
| 3 lb | 1360.7771 g |
| 4 lb | 1814.3695 g |
| 5 lb | 2267.9619 g |
| 10 lb | 4535.9237 g |
| 15 lb | 6803.8856 g |
| 20 lb | 9071.8474 g |
| 25 lb | 11339.8093 g |
| 50 lb | 22679.6185 g |
| 100 lb | 45359.237 g |
Frequently asked questions
How many grams is 1 pound?
1 pound equals 453.5924 grams.
What is the formula to convert lb to g?
To convert lb to g, multiply the value by 453.59237. The full formula is: g = lb × 453.59237.
How do I convert grams back to pounds?
Use the same calculator above and type your value into the grams field instead — it converts in both directions. Or use the reverse formula: lb = g ÷ 453.59237.
Is the lb to g conversion exact?
The conversion factor used here (453.59237) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.