Convert between metric and imperial units of weight and mass. See kilograms, pounds, ounces, stones, grams and tonnes side by side.
How to use the Weight Converter
- Enter a value.
- Choose the unit you are converting from.
- See the equivalent in every other unit.
Common weight conversions
1 kg = 2.20462 lb. 1 lb = 16 oz = 453.59237 g exactly. 1 stone = 14 lb = 6.35029 kg. 1 metric tonne = 1,000 kg. 1 US ton = 2,000 lb.
Frequently asked questions
How many pounds are in a kilogram?
1 kilogram is about 2.20462 pounds.
What is the difference between weight and mass?
Technically mass is measured in kg and weight is a force, but in everyday use "weight" means mass.
How precise are the conversions?
Conversion factors use the exact internationally defined values (e.g. 1 inch = 2.54 cm exactly). Results are shown to up to 10 significant digits.