Convert Pound to Kilogram
Use this free converter to change pounds (lb) into kilograms (kg). Pound and kilogram both measure weight & mass. As a quick reference, 1 lb equals 0.45359237 kg, and 1 kg equals 2.2046226 lb.
Free · runs in your browser · no sign-up
Kilogram (kg)
0.45359237
1 lb = 0.45359237 kg
Weight & Mass conversion table
| Pound | Kilogram |
|---|---|
| 0.01 | 0.0045359237 |
| 0.1 | 0.045359237 |
| 0.5 | 0.22679619 |
| 1 | 0.45359237 |
| 2 | 0.90718474 |
| 3 | 1.3607771 |
| 5 | 2.2679619 |
| 10 | 4.5359237 |
| 20 | 9.0718474 |
| 25 | 11.339809 |
| 50 | 22.679619 |
| 100 | 45.359237 |
| 1,000 | 453.59237 |
How to convert Pound to Kilogram
Multiply the pound value by 0.45359237 to get kilograms.
- Enter the number of pounds you want to convert.
- The converter instantly shows the equivalent value in kilograms.
- Worked example: 15 lb × 0.45359237 = 6.8038856 kg.
- Use the swap button to reverse the conversion (kilogram to pound).
About these units
Pound (lb)
- Definition
- A pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms, divided into 16 ounces.
- History
- Derived from the Roman "libra" (hence the abbreviation lb), it was standardised internationally in 1959.
- Current use
- Pounds are the everyday unit of body and food weight in the United States.
Kilogram (kg)
- Definition
- The kilogram (kg) is the SI base unit of mass, defined since 2019 by fixing the value of the Planck constant.
- History
- It was originally the mass of one liter of water, then a platinum-iridium cylinder kept near Paris until the 2019 redefinition.
- Current use
- The kilogram is the global standard for weighing goods, people, and ingredients in science and commerce.
Frequently asked questions
How many kilograms are in a pound?
There are 0.45359237 kg in 1 lb. To convert, multiply the number of pounds by 0.45359237.
How do I convert pounds to kilograms?
Multiply the pound value by 0.45359237 to get kilograms. For example, 10 lb = 4.5359237 kg.
Is this pound-to-kilogram converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Pound to other weight & mass units
| Unit | 1 Pound equals |
|---|---|
| Kilogram (kg) | 0.45359237 kg |
| Gram (g) | 453.59237 g |
| Milligram (mg) | 453592.37 mg |
| Microgram (µg) | 453592370 µg |
| Metric Ton (t) | 0.00045359237 t |
| Ounce (oz) | 16 oz |
| Stone (st) | 0.071428571 st |
| US Ton (ton) | 0.0005 ton |
| Imperial Ton (long ton) | 0.00044642857 long ton |
| Carat (ct) | 2267.9619 ct |