Weight Converter
Convert weight and mass between milligrams, grams, kilograms, ounces, pounds, stone and metric tonnes.
How to use the weight converter
Enter a value, choose the unit you are converting from, then choose the unit you want. The answer updates immediately. You can also edit the result box to convert in the opposite direction, or use Swap units.
Common conversions
- 1 kilogram = 2.2046226218 pounds
- 1 stone = 6.35029318 kilograms
- 1 pound = 453.59237 grams
Results are calculated in your browser. For safety-critical, engineering, financial or regulated work, independently verify the result and required precision.