Pounds to Kilograms
Convert pounds (lb) to kilograms (kg). Free, fast and easy to use.
How it works
One pound is exactly 0.45359237 kilograms. Multiply pounds by 0.453592 to get kilograms — 150 lb, for example, is about 68.04 kg.
Formula
kg = lb × 0.45359237
Worked examples
- 150 lb = 68.0389 kg
- 5 lb = 2.268 kg
- 200 lb = 90.7185 kg
Calculations run locally in your browser. Results are for information only — for engineering, electrical or financial decisions, verify the assumptions and applicable standards.
Frequently asked questions
How many kg is 1 pound?
1 pound is exactly 0.45359237 kilograms – roughly 0.45 kg.
How can I convert lbs to kg in my head?
Halve the pounds and subtract 10 %: 150 lb ÷ 2 = 75, minus 7.5 gives about 67.5 kg (the exact value is 68.04 kg).
Related calculators
Conversion 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 |
| 130 lb | 58.967 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 |
| 220 lb | 99.7903 kg |
| 250 lb | 113.3981 kg |