Instantly convert pounds (lb) to kilograms (kg). Bidirectional, accurate, and free.
To convert pounds to kilograms, use the formula kilograms = pounds × 0.4536. For example, 2 pounds equals 0.9072 kilograms. Type any number into the calculator above and the result appears instantly — you can also type into the kilograms box to convert the other way.
| Pounds | Kilograms |
|---|---|
| 1 lb | 0.4536 kg |
| 2 lb | 0.9072 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 75 lb | 34.0194 kg |
| 100 lb | 45.3592 kg |
There are 0.4536 kilograms in one pound. To convert any value, apply the formula kilograms = pounds × 0.4536.
The formula is kilograms = pounds × 0.4536. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.