Free unit converter
Convert pounds to kilograms with the exact international avoirdupois conversion factor.
Converted value
Enter a value and convert.
How this converter works
The converter multiplies pounds by 0.45359237, the exact number of kilograms in one international avoirdupois pound.
Worked example
Ten pounds equals 4.535924 kilograms.
Frequently asked questions
What is the exact factor?
One pound equals exactly 0.45359237 kilograms.
Does this work for body weight?
Yes, as well as parcels, luggage, food, and other pound measurements.
How many decimals are shown?
Results show up to six decimal places without unnecessary trailing zeros.