How to convert pounds to kilograms
To convert pounds (lb) to kilograms (kg), multiply the value in pounds by 0.45359237.
kg = lb × 0.45359237
Example: 10 lb = 4.5359237 kg.
You can also type 10 lb to kg into the smart calculator, or mix units: 1 lb + 1 kg.
Pounds to Kilograms conversion table
| Pounds | Kilograms |
|---|---|
| 0.01 lb | 0.0045359237 kg |
| 0.1 lb | 0.045359237 kg |
| 0.25 lb | 0.11339809 kg |
| 0.5 lb | 0.22679619 kg |
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 3 lb | 1.3607771 kg |
| 4 lb | 1.8143695 kg |
| 5 lb | 2.2679619 kg |
| 6 lb | 2.7215542 kg |
| 7 lb | 3.1751466 kg |
| 8 lb | 3.628739 kg |
| 9 lb | 4.0823313 kg |
| 10 lb | 4.5359237 kg |
| 12 lb | 5.4431084 kg |
| 15 lb | 6.8038856 kg |
| 20 lb | 9.0718474 kg |
| 25 lb | 11.339809 kg |
| 30 lb | 13.607771 kg |
| 40 lb | 18.143695 kg |
| 50 lb | 22.679619 kg |
| 60 lb | 27.215542 kg |
| 75 lb | 34.019428 kg |
| 100 lb | 45.359237 kg |
| 250 lb | 113.39809 kg |
| 500 lb | 226.79619 kg |
| 1,000 lb | 453.59237 kg |
Converting kilograms back to pounds
1 kg = 2.204622622 lb. See the Kilograms to Pounds converter, or press the swap button above.
About the units
Pound (lb)
The avoirdupois pound: exactly 0.45359237 kilograms, or 16 ounces.
Kilogram (kg)
The SI base unit of mass, defined through the Planck constant. About 2.20462 pounds.
Mass is the amount of matter in an object; in everyday speech it is called weight. The SI base unit is the kilogram, defined since 2019 through the Planck constant. The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Questions and answers
How many kilograms are in a pound?
One pound (lb) equals 0.45359237 kilograms (kg).
How do I convert pounds to kilograms?
To convert pounds to kilograms, multiply the value in pounds by 0.45359237. The formula is kg = lb × 0.45359237. For example, 10 lb = 4.5359237 kg.
What is 10 lb in kg?
10 pounds is 4.5359237 kilograms.
Which is bigger, a pound or a kilogram?
A kilogram is bigger: 1 kg = 2.204622622 lb.
What is the difference between a ton and a tonne?
A tonne (metric ton) is 1,000 kg. A US short ton is 2,000 lb (907.18 kg) and an imperial long ton is 2,240 lb (1,016.05 kg).
Does this lb to kg converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.