How to convert Pounds to Kilograms
To convert pounds to kilograms, multiply by 0.45359237. For example, 5 lb × 0.45359237 = 2.2679619 kg.
Pounds to Kilograms conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 0.25 | 0.113398 |
| 0.5 | 0.226796 |
| 1 | 0.453592 |
| 2 | 0.907185 |
| 3 | 1.360777 |
| 5 | 2.267962 |
| 10 | 4.535924 |
| 15 | 6.803886 |
| 20 | 9.071847 |
| 25 | 11.339809 |
| 50 | 22.679619 |
| 75 | 34.019428 |
| 100 | 45.359237 |
| 250 | 113.39809 |
| 500 | 226.79619 |
| 1000 | 453.59237 |
About the units
Pounds (lb) — an imperial and US customary unit of mass, defined as exactly 0.45359237 kilograms. It is used for body weight and groceries in the US and UK.
Kilograms (kg) — the SI base unit of mass, used worldwide for weight in science, trade and everyday life.
Frequently asked questions
How many kilograms are in one pound?
One pound equals 0.45359237 kilograms.
What is the formula to convert pounds to kilograms?
Multiply the value in pounds by 0.45359237. For example, 10 lb × 0.45359237 = 4.5359237 kg.
How do I convert kilograms back to pounds?
Divide by 0.45359237 — or multiply by 2.2046226. You can also type directly in the second box of the converter above.
Is this converter accurate?
Yes. It uses the internationally defined conversion factors (for example, 1 inch = 2.54 cm exactly and 1 pound = 0.45359237 kg exactly) and shows up to 10 significant digits.