⚖️ Weight & Mass
Pounds to Kilograms Converter
Convert pounds to kilograms instantly. Enter any value and get the result. Includes a conversion table and the exact formula.
Quick answer: To convert pounds to kilograms, multiply by 0.453592. For example, 1 pounds = 0.453592 kilograms. Use the calculator below for any value.
pounds to kilograms
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Common conversions
| Pounds | Kilograms |
|---|
Formula:
How to convert pounds to kilograms
1
Enter your value
Type the number of pounds you want to convert into the left box. The result in kilograms appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — Kilograms to Pounds. Your current value carries across so you don't have to re-enter anything.
3
About Pounds and Kilograms
Pounds are used in the US and UK for body weight and many everyday measurements. 1 lb = 0.454 kg.
💡 Did you know?
1 lb = 0.45359237 kg, exactly, by international agreement since 1959. That single number underpins every kg↔lb conversion you'll ever do, from gym weights to airline baggage allowances.
📊 Common conversions at a glance
| Pounds | Kilograms |
|---|---|
| 1 | 0.4536 |
| 2 | 0.9072 |
| 5 | 2.268 |
| 10 | 4.536 |
| 20 | 9.072 |
| 50 | 22.68 |
Reviewed for 2026. Pounds ↔ Kilograms conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.