Pounds to KG Converter

Convert pounds to kilograms as you type. Type in either box, or switch to any other mass unit.

LiveWeightkg = lb ÷ 2.204622622URL: /lbs-to-kg

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About pounds and kilograms

Mass units show up on food labels, luggage limits, body weight and shipping. Kilograms are the SI unit; pounds and ounces are common in the US and UK.

This converter changes pounds (lb) into kilograms (kg) instantly. You can also type in the second box to convert backwards, or pick any other mass unit from the menus.

Formula

kg = lb ÷ 2.204622622 1 lb = 0.45359237 kg 1 kg = 2.204622622 lb

Both units are defined in kilograms: 1 pound = 0.45359237 kilogram, and 1 kilogram = 1 kilogram. Dividing one by the other gives the factor above.

Worked example

To convert 12 lb: 12 × 0.45359237 = 5.443108 kg.

Notes and assumptions

Ounces and pounds are avoirdupois units, the everyday US system (1 lb = 16 oz). Troy ounces for precious metals are different.

Popular searches

Number-specific searches can each have their own page that opens this converter pre-filled.

lb to kg150 lbs to kglbs to kgs120 lbs to kgpounds to kgs125 lbs to kg230 lbs to kg

Pounds to kilograms conversion table

lbkg
1 lb0.453592 kg
2 lb0.907185 kg
3 lb1.360777 kg
4 lb1.814369 kg
5 lb2.267962 kg
6 lb2.721554 kg
7 lb3.175147 kg
8 lb3.628739 kg
9 lb4.082331 kg
10 lb4.535924 kg
12 lb5.443108 kg
15 lb6.803886 kg
20 lb9.071847 kg
lbkg
25 lb11.33981 kg
30 lb13.60777 kg
40 lb18.14369 kg
50 lb22.67962 kg
60 lb27.21554 kg
70 lb31.75147 kg
75 lb34.01943 kg
80 lb36.28739 kg
90 lb40.82331 kg
100 lb45.35924 kg
250 lb113.3981 kg
500 lb226.7962 kg
1,000 lb453.5924 kg

How to convert by hand

  1. Take the value in pounds.
  2. Multiply it by 0.45359237.
  3. Round only at the end.

Common mistakes

  • Confusing mass and force. Kilograms and pounds here are mass units.
  • Using troy ounces (31.1 g) for gold or silver with this avoirdupois converter (28.35 g).

Sources

Frequently asked questions

How many kilograms are in one pound?

1 lb = 0.453592 kg.

How do I convert pounds to kilograms?

Multiply by 0.45359237 (or divide by 2.204622622). Example: 10 lb = 4.535924 kg.

How do I convert kilograms back to pounds?

Divide by 0.45359237. Or use the KG to Pounds Converter.

About this tool

Written by
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Reviewed by
Formula tests passed · human review pending
Last updated
31 Oct 2026

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