Pounds to Kilograms Converter
Convert pounds to kilograms instantly. Type a value, change either unit, or press swap to go the other way. 1 pound = 0.45359237 kilograms.
1 pound = 0.45359237 kilograms
How to convert pounds to kilograms
kilograms = pounds × 0.45359237
To convert pounds to kilograms, multiply the value by 0.45359237. To go back from kilograms to pounds, divide by the same number (or multiply by 2.204622622).
Worked examples
- 10 lb: 10 × 0.45359237 = 4.5359237 kg
- 20 lb: 20 × 0.45359237 = 9.0718474 kg
- 50 lb: 50 × 0.45359237 = 22.679619 kg
Divide pounds by 2.2. For a quick check, halve the number and then subtract 10 percent of the result: 150 lb is about 68 kg.
Pounds to Kilograms conversion table
Pounds to Kilograms
| lb | kg |
|---|---|
| 1 | 0.45359237 |
| 5 | 2.2679619 |
| 10 | 4.5359237 |
| 20 | 9.0718474 |
| 50 | 22.679619 |
| 100 | 45.359237 |
| 150 | 68.038856 |
| 180 | 81.646627 |
| 200 | 90.718474 |
| 250 | 113.39809 |
Kilograms to Pounds
| kg | lb |
|---|---|
| 1 | 2.2046226 |
| 5 | 11.023113 |
| 10 | 22.046226 |
| 20 | 44.092452 |
| 50 | 110.23113 |
| 100 | 220.46226 |
| 150 | 330.69339 |
| 180 | 396.83207 |
| 200 | 440.92452 |
| 250 | 551.15566 |
Weight equivalents
See how one pound and one kilogram compare with every other weight unit on the site.
1 pound equals
| Unit | Value |
|---|---|
| milligrams (mg) | 453,592.4 |
| grams (g) | 453.5924 |
| kilograms (kg) | 0.4535924 |
| metric tons (tonnes) (t) | 0.0004535924 |
| ounces (oz) | 16 |
| stones (st) | 0.07142857 |
| US tons (short tons) (ton) | 0.0005 |
| long tons (long ton) | 0.0004464286 |
| carats (ct) | 2,267.962 |
1 kilogram equals
| Unit | Value |
|---|---|
| milligrams (mg) | 1,000,000 |
| grams (g) | 1,000 |
| metric tons (tonnes) (t) | 0.001 |
| ounces (oz) | 35.27396 |
| pounds (lb) | 2.204623 |
| stones (st) | 0.157473 |
| US tons (short tons) (ton) | 0.001102311 |
| long tons (long ton) | 0.0009842065 |
| carats (ct) | 5,000 |
When you need to convert pounds to kilograms
Body weight, luggage allowances, gym plates and parcel rates are quoted in pounds in the US and in kilograms almost everywhere else. Having an exact conversion is useful when you are checking an airline baggage limit, following a fitness plan or shipping an international parcel.
About the units
Pound (lb)
The pound is exactly 0.45359237 kilograms. It is the everyday unit for body weight and groceries in the United States.
Kilogram (kg)
The kilogram is the base unit of mass in the SI system. It is used for body weight, groceries and parcels in most of the world.
Frequently asked questions
How do I convert pounds to kilograms?
Multiply the number of pounds by 0.45359237. For example, 10 pounds × 0.45359237 = 4.5359237 kilograms.
How many kilograms are in one pound?
There are 0.45359237 kilograms in one pound.
How many pounds are in one kilogram?
There are 2.204622622 pounds in one kilogram.
How many pounds are in a kilogram?
One kilogram equals 2.20462 pounds, or about 2 pounds 3.3 ounces. Going the other way, one pound is exactly 0.45359237 kg.
Can I convert other weight units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any weight unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.