Pounds to Kilograms Converter
Type a number to convert pounds to kilograms. The result updates as you type, and you can swap the units to convert back.
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The formula
kilograms = pounds x 0.45359
How to convert pounds to kilograms
To convert pounds to kilograms, multiply by 0.45359. One pound equals 0.45359 kilograms, and one kilogram equals 2.2046 pounds.
A worked example
12 pounds is 5.4431 kilograms.
Quick conversion table
| Pounds | Kilograms |
|---|---|
| 1 lb | 0.45359 kg |
| 2 lb | 0.90718 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 20 lb | 9.0718 kg |
| 50 lb | 22.68 kg |
| 100 lb | 45.359 kg |
| 110 lb | 49.895 kg |
| 120 lb | 54.431 kg |
| 130 lb | 58.967 kg |
| 140 lb | 63.503 kg |
| 150 lb | 68.039 kg |
| 160 lb | 72.575 kg |
| 170 lb | 77.111 kg |
| 180 lb | 81.647 kg |
| 200 lb | 90.718 kg |
| 250 lb | 113.4 kg |
And the other way: kilograms to pounds
| Kilograms | Pounds |
|---|---|
| 1 kg | 2.2046 lb |
| 2 kg | 4.4092 lb |
| 5 kg | 11.023 lb |
| 10 kg | 22.046 lb |
| 15 kg | 33.069 lb |
| 20 kg | 44.092 lb |
| 25 kg | 55.116 lb |
| 30 kg | 66.139 lb |
| 40 kg | 88.185 lb |
| 50 kg | 110.23 lb |
| 60 kg | 132.28 lb |
| 70 kg | 154.32 lb |
| 75 kg | 165.35 lb |
| 80 kg | 176.37 lb |
| 90 kg | 198.42 lb |
| 100 kg | 220.46 lb |
| 120 kg | 264.55 lb |
| 150 kg | 330.69 lb |
When you will need it
Gym weights, baby weight and parcel limits are often in pounds, while scales and doctors in much of the world use kilograms.
Halve the pounds and take off 10 percent: 140 lb is roughly 63.5 kg.
Pounds to Kilograms Converter: frequently asked questions
How many kilograms are in one pound?
One pound is 0.45359 kilograms.
How many pounds are in one kilogram?
One kilogram is 2.2046 pounds.
Is this pounds to kilograms conversion exact?
The factor is exact where the units are defined that way, and we show the result rounded for readability.
How exact is the conversion?
It uses the internationally agreed definitions, and rounds only the number you see.
Is what I enter in this converter saved or sent anywhere?
No. The calculation runs in your browser, so what you enter is not sent to our servers. We only count, anonymously, whether a tool ran successfully.
Is this converter free to use?
Yes. It is free, needs no sign-up and has no usage limit.
Last reviewed: October 3, 2026