Convert pounds to kilograms
1 pound equals 0.453592 kilograms. Type any number below — the other side updates instantly.
Pounds to kilograms — quick reference
| pounds | kilograms |
|---|---|
| 1 lb | 0.453592 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 20 lb | 9.0718 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 75 lb | 34.0194 kg |
| 100 lb | 45.3592 kg |
| 110 lb | 49.8952 kg |
| 120 lb | 54.4311 kg |
| 130 lb | 58.967 kg |
| 140 lb | 63.5029 kg |
| 150 lb | 68.0389 kg |
| 160 lb | 72.5748 kg |
| 170 lb | 77.1107 kg |
| 180 lb | 81.6466 kg |
| 200 lb | 90.7185 kg |
| 220 lb | 99.7903 kg |
| 250 lb | 113.398 kg |
| 300 lb | 136.078 kg |
How to convert
Multiply the number of pounds by 0.453592 to get kilograms. To go the other way, multiply kilograms by 2.2046 to get pounds. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Pounds
- Definition
- A pound (symbol: lb, plural lbs) is a unit of mass equal to exactly 0.45359237 kg. Sixteen ounces make one pound.
- History
- The pound descends from the Roman libra. The international avoirdupois pound was standardized in 1959.
- Current use
- The pound is the dominant mass unit in the United States for body weight, food, postage, and commerce. Still used in the UK alongside kilograms.
Kilograms
- Definition
- A kilogram (symbol: kg) is the SI base unit of mass. Since 2019 it has been defined by fixing the Planck constant.
- History
- The kilogram was originally defined in 1799 as the mass of one liter of water. It was the last SI base unit to be defined by a physical artifact (the IPK in Paris) — replaced by a fundamental-constant definition in 2019.
- Current use
- The kilogram is the standard unit of mass for science, commerce, and everyday use in every country except the United States.
Frequently asked
- How many kilograms are in 1 pound?
- 1 pound = 0.453592 kilograms.
- How do you convert pounds to kilograms?
- Multiply the number of pounds by 0.453592 to get kilograms. To go the other way, multiply kilograms by 2.2046 to get pounds. The conversion factor is fixed and exact, so you can use this on any value.
- What is 130 pounds in kilograms?
- 130 pounds = 58.967 kilograms.
Convert pounds to other mass units
Convert other mass units to kilograms
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