How many kilogram are in one pound?
One pound is 0.4536 kg.
Pound to Kilogram
Type a value to convert it from pound to kilogram. One lb equals 0.4536 kg.
Result
Pound and Kilogram, side by side
One pound is 0.4536 kg. In the other direction, one kilogram is 2.205 lb.
The factor is exact rather than rounded: the imperial units have been defined from the metric ones since 1959, so the conversion introduces no error of its own. What you see below is arithmetic, not an approximation.
| Pound | Kilogram |
|---|---|
| 1 | 0.453592 |
| 5 | 2.26796 |
| 10 | 4.53592 |
| 50 | 22.6796 |
| 70 | 31.7515 |
| 100 | 45.3592 |
Frequently asked questions
How do I convert kilogram back to pound?
One kilogram is 2.205 lb. The tool above converts in both directions.
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