Pounds to Kilograms Converter
Convert pound to kilogram instantly. Type a value below — the result updates as you type.
When you need to convert pound to kilogram
Weight and mass conversions matter for cooking, shipping, fitness tracking and travel, where a parcel, body weight or recipe amount may be labelled in a system you don't use day to day.
Body weight, luggage allowances, gym plates and grocery items are the everyday reasons to convert kilograms and pounds.
Typical values: 0.5 lb is about 0.2268 kg, and 100 lb works out to roughly 45.3592 kg. Because the ratio is fixed at 0.4536, you can scale any amount linearly — doubling the pounds doubles the kilograms.
Bathroom scales, kitchen scales and shipping labels frequently mix metric and imperial, so converting cleanly avoids costly mistakes.
How to convert pound to kilogram
One pound equals 0.4536 kilograms. To convert, multiply the number of pounds by 0.4536:
kilograms = pounds × 0.4536
For example, 10 pounds × 0.4536 = 4.5359 kilograms.
Pounds to kilograms conversion table
| Weight (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.4536 kg |
| 2 lb | 0.9072 kg |
| 3 lb | 1.3608 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 20 lb | 9.0718 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
FAQ
How many kilograms are in a pound?
One pound = 0.4536 kilograms.
How do I convert kilograms back to pounds?
Divide by 0.4536, or use the kilograms to pounds converter.