Pound to Kilogram Converter
1 lb = 0.453592 kg — convert instantly with formula and table.
Enter any number above and the result updates as you type. Everything runs locally in your browser, so it is instant and private.
Quick answer: one pound equals 0.453592 kilograms. So to convert pounds to kilograms, multiply by 0.45359237.
How to convert pounds to kilograms
kilograms = pounds × 0.45359237
The pound has been defined as exactly 0.45359237 kilograms since 1959. Body weight in the US, gym plates, and package weights all speak in pounds.
The kilogram is the SI base unit of mass, since 2019 defined via the Planck constant rather than a physical metal cylinder in Paris.
Pound to Kilogram conversion table
| Pound (lb) | Kilogram (kg) |
|---|---|
| 0.01 lb | 0.004536 kg |
| 0.1 lb | 0.045359 kg |
| 0.25 lb | 0.113398 kg |
| 0.4 lb | 0.181437 kg |
| 0.75 lb | 0.340194 kg |
| 1.25 lb | 0.56699 kg |
| 1.75 lb | 0.793787 kg |
| 2.5 lb | 1.134 kg |
| 3.5 lb | 1.5876 kg |
| 4.5 lb | 2.0412 kg |
| 6 lb | 2.7216 kg |
| 8 lb | 3.6287 kg |
| 10 lb | 4.5359 kg |
| 12 lb | 5.4431 kg |
| 14 lb | 6.3503 kg |
| 16 lb | 7.2575 kg |
| 18 lb | 8.1647 kg |
| 20 lb | 9.0718 kg |
| 24 lb | 10.8862 kg |
| 26 lb | 11.7934 kg |
| 30 lb | 13.6078 kg |
| 35 lb | 15.8757 kg |
| 45 lb | 20.4117 kg |
| 55 lb | 24.9476 kg |
| 65 lb | 29.4835 kg |
| 75 lb | 34.0194 kg |
| 85 lb | 38.5554 kg |
| 95 lb | 43.0913 kg |
| 110 lb | 49.8952 kg |
| 125 lb | 56.699 kg |
| 175 lb | 79.3787 kg |
| 250 lb | 113.3981 kg |
| 350 lb | 158.7573 kg |
| 450 lb | 204.1166 kg |
| 600 lb | 272.1554 kg |
| 750 lb | 340.1943 kg |
| 900 lb | 408.2331 kg |
| 1,500 lb | 680.3886 kg |
| 2,500 lb | 1,133.98 kg |
| 10,000 lb | 4,535.92 kg |
Need the opposite direction? Use the Kilogram to Pound converter, or read our complete guide to weight conversions for every formula in one place.
Frequently asked questions
How many kilograms are in one pound?
One pound equals 0.453592 kilograms. Multiply any pound value by 0.45359237 to get kilograms.
What is 10 pounds in kilograms?
10 pounds equal 4.5359 kilograms (10 × 0.453592).
Is the pound to kilogram conversion exact?
The conversion factor used here (0.45359237) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.