Pounds to kilograms
Enter a value in pounds to convert it to kilograms. 1 lb = 0.4536 kg.
1 lb = 0.4536 kg
Formula
kg = lb × 0.45359237
Worked example
150 lb × 0.45359237 = 68.0389 kg
Results on this page are rounded to 4 decimal places (4 significant figures below 1). Use the decimal places option above for a different rounding.
Pounds to kilograms table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.4536 kg |
| 2 lb | 0.9072 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 20 lb | 9.0718 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 120 lb | 54.4311 kg |
| 140 lb | 63.5029 kg |
| 150 lb | 68.0389 kg |
| 160 lb | 72.5748 kg |
| 180 lb | 81.6466 kg |
| 200 lb | 90.7185 kg |
| 250 lb | 113.3981 kg |
Good to know
This is the avoirdupois pound used for body weight, food and parcels, defined as exactly 0.45359237 kg. The troy pound used for precious metals is lighter, at about 0.3732 kg. In the UK, body weight is often given in stone, where 1 stone is 14 lb.