To convert pounds to grams, multiply by 453.59237.
The calculation uses 1 lb = 453.59237 g. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in g = value in lb × 453.59237
lb- Input unit: pounds
g- Output unit: grams
How to use this calculator
- Enter a value in lb.
- Multiply by the stored conversion factor.
- Read the result in g; divide by the same factor to convert back.
Worked examples
Worked conversion
1 lb × 453.59237 ≈ 453.59237 g.
Reverse conversion
453.59237 g ÷ 453.59237 ≈ 1 lb. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 453.59237 g per lb.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
lb to g table
| lb | g (rounded) |
|---|---|
| 0 | 0 |
| 1 | 453.59237 |
| 2 | 907.18474 |
| 5 | 2267.96185 |
| 10 | 4535.9237 |
| 100 | 45359.237 |
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