Convert Pound to Kilogram
Instantly convert Pound (lb) to Kilogram (kg). Free and accurate.
About This Conversion
What is a Pound to Kilogram conversion?
One pound (lb) is equal to 0.45359237 kilogram (kg). This relationship is fixed by international measurement standards and does not change. To convert any number of pound to kilogram, multiply your value by 0.45359237; to go the other way, divide by 0.45359237.
How to convert Pound to Kilogram
The conversion formula is: 1 lb = 0.45359237 kg. Enter any value into the converter above and the result updates instantly. The formula is also shown alongside the answer so you can check the working or use it in your own calculations.
Where is this conversion used?
Weight conversions are essential in cooking, fitness, postal services, scientific research, and international trade. The metric system uses grams and kilograms, while the imperial system uses ounces, pounds, and stones. Nutritionists, personal trainers, pharmacists, chemists, and logistics professionals work with weight conversions daily. In the UK, body weight is often quoted in stones and pounds, while most of the world uses kilograms.
Helpful tip
In everyday cooking, 1 cup of water weighs approximately 240 grams (8.5 oz), which is a handy reference point when scaling recipes between unit systems.
Formula
1 lb = 0.45359237 kg
lb to kg Conversion Table
| lb | kg |
|---|---|
| 0.1 lb | 0.045359237 kg |
| 0.5 lb | 0.226796185 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 |
| 25 lb | 11.33980925 kg |
| 50 lb | 22.6796185 kg |
| 100 lb | 45.359237 kg |
| 250 lb | 113.3980925 kg |
| 500 lb | 226.796185 kg |
| 1000 lb | 453.59237 kg |