Converter
Pounds to Kilograms
1 lb is 0.453592 kg. Type any amount below and the answer follows as you type, on your device.
The answer follows what you type, rounded to six significant figures. Nothing is sent anywhere.
The formula
kg = lb × 0.453592
Multiply the pound figure by 0.453592.
Worked example
How many kilograms are in 25 pounds?
25 lb → 11.3398 kg
Multiply 25 by 0.453592. The answer is 11.3398 kg.
Quick reference
The common values, rounded to six significant figures.
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 | 0.453592 |
| 10 | 4.53592 |
| 25 | 11.3398 |
| 45 | 20.4117 |
| 100 | 45.3592 |
| 150 | 68.0389 |
| 200 | 90.7185 |
When you need this
An American weight chart, a pound-denominated barbell or an imperial recipe needs to become kilograms before it is useful on a metric scale.
The factor above is the exact legal definition of each unit, not a rounded one, so the answers stay right at any size. Nothing here is sent to a server: the conversion runs in the page.