Pound to Kilogram Converter
1 lb = 0.453592 kg
FORMULA
1 lb = 0.453592 kg
CONVERSION TABLE
| Pound (lb) | Kilogram (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.5359 kg |
| 25 lb | 11.3398 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 250 lb | 113.3981 kg |
| 500 lb | 226.7962 kg |
| 1,000 lb | 453.5924 kg |
COMMON VALUES
RELATED CONVERSIONS
About Pound (lb)
The avoirdupois pound equals exactly 0.45359237 kilograms by international agreement since 1959. It is the everyday mass unit in the United States for body weight, food packaging, and shipping. The abbreviation 'lb' comes from the Latin 'libra pondo,' meaning a pound by weight.
About Kilogram (kg)
The kilogram is the SI base unit of mass, redefined in 2019 by fixing the Planck constant to exactly 6.62607015 x 10^-34 J*s, ending its dependence on a physical platinum-iridium cylinder stored in Paris. Grocery shopping, body weight, and industrial shipping all rely on the kilogram as their fundamental mass reference.
How to Convert Pound to Kilogram
The conversion formula is: 1 lb = 0.453592 kg. To convert from Pound (lb) to Kilogram (kg), use the formula above or the interactive converter at the top of this page.
FAQ
How many Kilogram in 1 Pound?
1 Pound (lb) equals 0.453592 Kilogram (kg).
How to convert Pound to Kilogram?
Multiply the Pound value by 0.453592 to get the equivalent in Kilogram. Formula: 1 lb = 0.453592 kg
What is the formula for Pound to Kilogram conversion?
1 lb = 0.453592 kg
Glossary
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Kilogram
The SI base unit of mass, defined by the Planck constant.
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Troy Weight
A system of weights used for precious metals and gemstones.
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Avoirdupois
The standard system of weights based on the 16-ounce pound, used for everyday goods.
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Ounce
A dual-use imperial unit: as a mass unit (avoirdupois), 1 oz = 28.3495 g (1/16 lb); as a volume unit, 1 US fluid ounce = 29.5735 mL.
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Pound
An imperial unit of mass equal to exactly 453.59237 grams (16 avoirdupois ounces), also used as a unit of force (pound-force) equal to 4.44822 newtons.