How this calculator works
Values are converted through kilograms using SI definitions and the international avoirdupois pound relationship.
Change any input to update the estimate instantly. Your entries never leave your device.
Weight Converter
Convert common metric and imperial weight units.
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Calculation details
⌁ All calculations run locally in your browser. No data is stored.
Converted value2.2
Input value1
Uses exact SI relationships and internationally defined avoirdupois pound and ounce conversions.
Frequently asked questions
How many kilograms are in a pound?
One international avoirdupois pound is exactly 0.45359237 kilogram.
Is tonne the metric tonne?
Yes. One metric tonne equals exactly 1,000 kilograms.