Weight Converter — Kilograms, Pounds, Grams, Ounces

Convert weight and mass between metric and imperial units. Useful for fitness, cooking, shipping, and science.

Questions

Is mass the same as weight?

Strictly, mass is the amount of matter (kg) and weight is the gravitational force (N). In everyday use the two are used interchangeably and our converter follows that convention.

How many pounds is one kilogram?

1 kg = 2.20462 lb. To convert, multiply kilograms by 2.20462 — or use the converter above.

What is a stone?

A stone is a British unit equal to 14 pounds (about 6.35 kg), still commonly used in the UK and Ireland to express body weight.