Online calculator to convert pounds to kilograms (lb to kg) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Weight or Mass units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert pounds to kg
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between pounds and kilograms.
What is a pound (lb)?
A pound is a unit of mass in both US Customary Units as well as the Imperial System. The symbol for pound is lb or lbs. There are 2.20462262 pounds in a kilogram.
What is a kilogram (kg)?
A kilogram is a unit of mass in the Metric System. The symbol for kilogram is kg. There are 0.45359237 kilograms in a pound.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from lb to kg is:
kg = lb x 0.45359237
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from pounds to kilograms (lb to kg).
Pound to Kilogram Conversion Example
Task: Convert 50 pounds to kilograms (show work) Formula: lb x 0.45359237 = kg Calculations: 50 lb x 0.45359237 = 22.6796185 kg Result: 50 lb is equal to 22.6796185 kg
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from lb to kg.
Pounds to Kilograms Conversion Chart
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 3 lb | 1.36077711 kg |
| 4 lb | 1.81436948 kg |
| 5 lb | 2.26796185 kg |
| 6 lb | 2.72155422 kg |
| 7 lb | 3.17514659 kg |
| 8 lb | 3.62873896 kg |
| 9 lb | 4.08233133 kg |
| 10 lb | 4.5359237 kg |
| 20 lb | 9.0718474 kg |
| 30 lb | 13.6077711 kg |
| 40 lb | 18.1436948 kg |
| 50 lb | 22.6796185 kg |
| 75 lb | 34.01942775 kg |
| 100 lb | 45.359237 kg |
| 250 lb | 113.3980925 kg |
| 500 lb | 226.796185 kg |
| 750 lb | 340.1942775 kg |
| 1,000 lb | 453.59237 kg |
| 2,500 lb | 1,133.980925 kg |
| 5,000 lb | 2,267.96185 kg |
| 7,500 lb | 3,401.942775 kg |
| 10,000 lb | 4,535.9237 kg |
| 25,000 lb | 11,339.80925 kg |
| 50,000 lb | 22,679.6185 kg |
| 75,000 lb | 34,019.42775 kg |
| 100,000 lb | 45,359.237 kg |
| 250,000 lb | 113,398.0925 kg |
Related Units
This table provides a summary of the Weight or Mass units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| ounces | oz | US Customary Units/Imperial System |
| pounds | lbs or lb | US Customary Units/Imperial System |
| stones | st | Imperial System |
| short tons (US tons) | T | US Customary Units |
| long tons (Imperial tons) | long tn | Imperial System |
| nanograms | ng | Metric System |
| micrograms | mcg or μg | Metric System |
| milligrams | mg | Metric System |
| centigrams | cg | Metric System |
| decigrams | dg | Metric System |
| grams | g | Metric System |
| decagrams | dag or dkg | Metric System |
| hectograms | hg | Metric System |
| kilograms | kg | Metric System |
| metric tons (tonnes) | t | Metric System |
| gigagrams | Gg | Metric System |
| teragrams | Tg | Metric System |
Note: For Weight and Mass conversions, US Customary Units and the Imperial System are equivalent.
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