WeightPounds to kilograms
1 pound = 0.453592 kilograms.
1 pound = 0.453592 kilograms. Multiply by 0.453592.
Common amounts
| lb | kg |
|---|---|
| 1 lb | 0.453592 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
How it works
How to convert pounds to kilograms
kg = lb × 0.453592.
Worked examples: 5 pounds = 2.268 kilograms; 50 pounds = 22.6796 kilograms.
About pounds and kilograms
The avoirdupois pound is exactly 0.45359237 kg, or 16 ounces. The kilogram is the SI base unit of mass.
When you'd convert pounds to kilograms
Body weight and luggage: 150 lb is about 68 kg.
Rough check: halve it and take off 10%.
Common mistake: ounces of weight and fluid ounces of volume are different units; they only line up for water, roughly.
To go the other way, use the kilograms to pounds converter.
The converter on this page works out the answer in your browser as you type, and shows the factor so you can check it by hand.
Questions
How do I convert pounds to kilograms?
1 pound = 0.453592 kilograms. Multiply by 0.453592.
What does the Converter : Units app add?
The same conversion, plus history, a constants library, and the rest of the unit categories on the phone.