Pounds to Kilograms (lb to kg)

1 pound = 0.4536 kilograms. Enter a value to convert instantly.

Updated

=4.5359 kg

How to convert pounds to kilograms

One pound equals 0.4536 kilograms, so multiply the value in pounds by 0.45359237: kg = lb × 0.45359237. Equivalently, divide by 2.204622622.

Example: 10 lb = 10 × 0.45359237 = 4.5359 kg.

Pounds to kilograms table

Pounds (lb)Kilograms (kg)
0.10.04536
0.50.2268
10.4536
20.9072
31.3608
41.8144
52.268
62.7216
73.1751
83.6287
94.0823
104.5359
156.8039
209.0718
2511.3398
3013.6078
4018.1437
5022.6796
7534.0194
10045.3592
250113.3981
500226.7962
1,000453.5924

About the units

  • Pound (lb): The avoirdupois pound used in the US and UK; defined since 1959 as exactly 0.45359237 kg.
  • Kilogram (kg): The SI base unit of mass, used for body weight, food and shipping almost everywhere outside the US.

Need the other direction? Convert kilograms to pounds — 1 kilogram = 2.2046 pounds.

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Frequently asked questions

How many kilograms are in a pound?
1 pound = 0.4536 kilograms.
What is the formula for pounds to kilograms?
kg = lb × 0.45359237.
How much is 10 lb in kg?
10 lb = 4.5359 kg.