Convert Pound to Kilogram
Turn Pounds into Kilograms in an instant. Type a value below to get an accurate lb → kg result, with the formula and a quick-reference table.
1 lb = 0.45359237 kg
Quick answer: 1 Pound = 0.45359237 Kilogram
Pound to Kilogram conversion table
| Pound (lb) | Kilogram (kg) |
|---|---|
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 5 lb | 2.2679619 kg |
| 10 lb | 4.5359237 kg |
| 20 lb | 9.0718474 kg |
| 50 lb | 22.679619 kg |
| 100 lb | 45.359237 kg |
| 500 lb | 226.79619 kg |
| 1,000 lb | 453.59237 kg |
How to convert Pound to Kilogram
To convert Pounds to Kilograms, multiply the value by 0.45359237.
- Take your measurement in Pounds.
- Multiply it by 0.45359237 — the number of Kilograms in one Pound.
- The result is the same amount, expressed in Kilograms.
To go the other way, multiply Kilograms by 2.2046226 — or simply divide by 0.45359237.
For example, a block of butter is about 1 lb, which is 0.45359237 kg.
About Pound and Kilogram
A pound is 16 ounces, or about 0.4536 kilograms. It is the everyday unit of body weight and groceries in the United States.
The kilogram is the SI base unit of mass, equal to 1,000 grams. It is the standard unit for body weight, groceries and most goods worldwide.
The Pound is a imperial / US customary unit while the Kilogram comes from the metric system — which is exactly why this conversion comes up so often. One Pound equals 0.45359237 Kilograms.
Other weight & mass conversions
Frequently asked questions
How many Kilograms are in a Pound?
1 Pound equals 0.45359237 Kilogram (lb → kg). To convert any amount, multiply the number of Pounds by 0.45359237.
How do I convert Pound to Kilogram?
Enter the number of Pounds in the converter above and read the result in Kilograms. It applies the exact lb → kg factor instantly, with full precision.
Is the Pound to Kilogram converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined weight & mass factors and full floating-point precision, then rounds the display to a clean, readable number.