How to convert pounds to kilograms
- Take the value in pounds.
- Use the formula kilograms = pounds × 0.45359237.
- For example, 45 lb is 20.41 kg.
About pounds and kilograms
A pound is exactly 0.45359237 kilograms. Multiply pounds by 0.453592 to get kilograms, or divide by 2.20462, which gives the same answer.
Gym plates, recipes and body weights in the US and UK are often given in pounds, while most of the world uses kilograms.
Examples
- 45 lb (a standard Olympic barbell plate) is 20.41 kg
- 150 lb (a typical adult body weight) is 68.04 kg
- 50 lb (a common airline bag limit) is 22.68 kg
- 8 lb (a newborn baby) is 3.63 kg
Pounds to kilograms chart
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 | 0.454 |
| 2 | 0.907 |
| 3 | 1.36 |
| 4 | 1.81 |
| 5 | 2.27 |
| 10 | 4.54 |
| 15 | 6.8 |
| 20 | 9.07 |
| 25 | 11.34 |
| 30 | 13.61 |
| 35 | 15.88 |
| 40 | 18.14 |
| 45 | 20.41 |
| 50 | 22.68 |
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 60 | 27.22 |
| 70 | 31.75 |
| 80 | 36.29 |
| 90 | 40.82 |
| 100 | 45.36 |
| 120 | 54.43 |
| 140 | 63.5 |
| 150 | 68.04 |
| 160 | 72.57 |
| 180 | 81.65 |
| 200 | 90.72 |
| 220 | 99.79 |
| 250 | 113.4 |
| 300 | 136.08 |