Weight and Mass Converter
Result
... Pound (avoirdupois) = ... Kilogram
Result
... Pound (avoirdupois)
=
... Kilogram
Find the units to convert
Pound (avoirdupois) to Kilogram Converter
Use this page to convert pound (avoirdupois) values into kilogram, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 lb = 0.45359237 kg
1 kg = 2.20462262184878 lb
Example: 25 lb = 11.33980925 kg
Pound (avoirdupois)
A pound equals exactly 453.59237 grams.
History: The modern international avoirdupois pound was standardized in the twentieth century.
Current use: Pounds remain common in retail, logistics, and personal weight tracking.
Also written as lb, pound, pounds, lbs, lbm.
Kilogram
A kilogram equals 1,000 grams and is the SI base unit of mass.
History: Its definition is now tied to the Planck constant rather than a physical artifact.
Current use: Kilograms are standard for body weight, shipping, and commerce.
Also written as kg, kilograms, kgs, kilo, kilos.
Pound (avoirdupois) to Kilogram table
| Pound (avoirdupois) [lb] | Kilogram [kg] |
|---|
| 0.01 lb | 0.0045359237 kg |
| 0.1 lb | 0.045359237 kg |
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 5 lb | 2.26796185 kg |
| 10 lb | 4.5359237 kg |
| 20 lb | 9.0718474 kg |
| 50 lb | 22.6796185 kg |
| 100 lb | 45.359237 kg |
Frequently asked questions
How many Kilogram (kg) are in one Pound (avoirdupois) (lb)?
One Pound (avoirdupois) equals 0.45359237 Kilogram.
How do you convert Pound (avoirdupois) to Kilogram?
Multiply the Pound (avoirdupois) value by 0.45359237 to get the result in Kilogram.
How do you convert Kilogram back to Pound (avoirdupois)?
Multiply the Kilogram value by 2.20462262184878 to get back to Pound (avoirdupois).
What is 25 Pound (avoirdupois) in Kilogram?
25 Pound (avoirdupois) equals 11.33980925 Kilogram.
