Pounds to Kilograms Converter

How to do it

1. 1
   Fill in the boxes

   Type your numbers or pick the options you need.

2. 2
   See the result

   The answer updates right away as you change a value.

3. 3
   Use it

   Copy the result or note it down. Nothing is sent anywhere.

About this tool

Enter a weight and choose the direction. One pound is 0.45359237 kilograms, and one kilogram is 2.20462 pounds. The result also shows stones, ounces and grams.

The formula

Kilograms = pounds × 0.45359237. Pounds = kilograms × 2.2046226.

Examples

100 lb is 45.4 kg, 150 lb is 68.0 kg, 200 lb is 90.7 kg. 70 kg is 154.3 lb.

Quick trick

Halve the pounds and subtract 10 percent for a rough kilogram figure, or divide kilograms by 0.45.