Pounds to kilograms
For recipes, body weight, weight plates and packages labeled in pounds.
1 pound = 0.45359237 kilograms
Formula: kilograms = pounds ÷ 2.204622622
How to convert
How to convert pounds to kilograms
One pound is 0.45359237 kilograms. To convert, use this formula:
kilograms = pounds ÷ 2.204622622
Example: 120 pounds = 54.4310844 kilograms.
Pounds to kilograms table
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 5 lb | 2.26796 kg |
| 10 lb | 4.53592 kg |
| 20 lb | 9.07185 kg |
| 25 lb | 11.3398 kg |
| 45 lb | 20.4117 kg |
| 50 lb | 22.6796 kg |
| 100 lb | 45.3592 kg |
| 120 lb | 54.4311 kg |
| 135 lb | 61.235 kg |
| 150 lb | 68.0389 kg |
| 160 lb | 72.5748 kg |
| 180 lb | 81.6466 kg |
| 200 lb | 90.7185 kg |
| 225 lb | 102.058 kg |
| 250 lb | 113.398 kg |
| 300 lb | 136.078 kg |
About the units
- A pound is 16 ounces, defined as exactly 0.45359237 kilograms.
- The kilogram is the base unit of mass in the metric system, defined through the Planck constant since 2019.
Related
More weight conversions
Kilograms to poundsEveryday for body weight, luggage allowances, gym weights and parcel shipping. Grams to ouncesMost often needed in the kitchen, and for postage, coffee and small parcels. Ounces to gramsFor following US and UK recipes, weighing letters, and food labels in ounces. Stone to kilogramsBody weight in the UK and Ireland is often given in stone; one stone is 14 pounds.
Frequently asked questions
How many kilograms are in a pound?
One pound equals 0.45359237 kilograms.
How do I convert pounds to kilograms?
Use the formula kilograms = pounds ÷ 2.204622622. For example, 120 pounds is 54.4310844 kilograms.
What is 120 pounds in kilograms?
120 pounds is 54.4310844 kilograms.
How do I convert kilograms back to pounds?
Use the formula pounds = kilograms × 2.204622622. One kilogram is 2.204622622 pounds.