How to convert Pounds to kilograms
kilograms = pounds × 0.45359237
Multiply pounds by 0.45359237. If you have pounds and ounces, divide the ounces by 16 and add that fraction to the pounds before entering the number.
Worked examples
150 lb ≈ 68.0388555 kg
150 × 0.45359237 ≈ 68.0388555
A reading of 150 pounds corresponds to 68.0388555 kilograms before rounding.
8.5 lb ≈ 3.855535145 kg
8.5 × 0.45359237 ≈ 3.855535145
A parcel weighing 8 pounds 8 ounces is 8.5 decimal pounds, or 3.855535145 kilograms.
Frequently asked questions
How do I convert 10 stone 7 pounds to kg?
Select Stone + pounds on the source side and enter 10 and 7. That is 147 pounds, which converts to 66.67807839 kilograms.
Can I divide pounds by 2.2 instead?
Dividing by 2.2 is an estimate. Multiplying by the defined factor 0.45359237 is more precise; the appropriate rounding still depends on the accuracy of the original reading.