Pounds to Kilograms Converter
Type a weight in pounds to get kilograms, or enter kilograms to get pounds. The result updates as you type.
Edit either field. The other one updates automatically.
How to convert pounds to kilograms
To convert pounds to kilograms, multiply the number of pounds by 0.45359237. To convert kilograms to pounds, multiply by 2.2046226218, or divide by 0.45359237.
Example: 150 lb × 0.45359237 = 68.0389 kg.
For a quick mental estimate, divide pounds by 2.2.
Pounds to Kilograms chart
Pounds to kilograms
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 | 0.4536 |
| 2 | 0.9072 |
| 5 | 2.268 |
| 10 | 4.5359 |
| 20 | 9.0718 |
| 25 | 11.3398 |
| 50 | 22.6796 |
| 100 | 45.3592 |
| 150 | 68.0389 |
| 200 | 90.7185 |
Kilograms to pounds
| Kilograms (kg) | Pounds (lb) |
|---|---|
| 1 | 2.2046 |
| 2 | 4.4092 |
| 5 | 11.0231 |
| 10 | 22.0462 |
| 20 | 44.0925 |
| 25 | 55.1156 |
| 50 | 110.2311 |
| 75 | 165.3467 |
| 100 | 220.4623 |
Frequently asked questions
How many kilograms are in a pound?
One pound equals exactly 0.45359237 kilograms, which is about 0.4536 kg.
How many pounds are in a kilogram?
One kilogram equals about 2.2046 pounds.
How many kg is 150 pounds?
150 pounds is about 68.04 kilograms (150 × 0.45359237 = 68.0389).
How can I convert pounds to kg in my head?
Divide the pounds by 2.2. For example, 180 lb ÷ 2.2 is about 81.8 kg, close to the exact 81.65 kg.
Is the pound the same in the US and the UK?
Yes. Since 1959 the pound used in the US and the UK is defined as exactly 0.45359237 kilograms.