What is a pound?
The international avoirdupois pound is defined as exactly 0.45359237 kilogram. One pound contains 16 avoirdupois ounces.
How to convert pounds
To convert pounds, multiply the pound value by the factor for the target unit.
Unit conversion reference
Pound Conversion Calculator & Table
Convert pounds to kilograms, grams and ounces with a live weight converter, factors and common values.
Convert pounds
The live converter uses the same standard factor system as MAXScanner’s full Weight Converter.
0.45359237 kg
1 lb
The common “weight” labels on this page use standard mass conversion factors for kilograms, grams, pounds and ounces.
Common pound conversions
These values are calculated from the same factors shown above, so the table is a quick reference rather than a separate set of rounded constants.
| lb | kg | g | oz |
|---|---|---|---|
| 1 | 0.45359237 | 453.59237 | 16 |
| 2 | 0.90718474 | 907.18474 | 32 |
| 5 | 2.26796185 | 2,267.96185 | 80 |
| 10 | 4.5359237 | 4,535.9237 | 160 |
| 25 | 11.33980925 | 11,339.80925 | 400 |
| 50 | 22.6796185 | 22,679.6185 | 800 |
| 100 | 45.359237 | 45,359.237 | 1,600 |
1. Enter the measurement
Type the number of pounds you have.
2. Choose the destination
Pick the unit required by the drawing, form, specification or calculation.
3. Verify the result
Use the factor or common-value table when you need to double-check the conversion.
Frequently asked questions
What is a pound?
The international avoirdupois pound is defined as exactly 0.45359237 kilogram. One pound contains 16 avoirdupois ounces.
How do I convert pounds?
To convert pounds, multiply the pound value by the factor for the target unit.
Can I convert another weight value?
Yes. Use the live Weight Converter on this page for any supported source and target unit, or open the full converter for the complete unit list.
Related unit references
Need a different unit?
Open the full Weight Converter for every supported unit in this family. Unit conversion changes how the same measurement is expressed; it does not change the underlying physical quantity.
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