Weight Converter
Convert between mg, g, kg, metric tons, oz, lb, and stone — all values shown at once.
How to use this tool
- 1Enter a numeric value in the Value field.
- 2Select the source unit from the 'From unit' dropdown.
- 3All seven conversions appear instantly in the grid below.
About Weight Converter
Weight conversions between metric and imperial units come up constantly in cooking, shipping, fitness, and science. This converter stores all units as a base value in kilograms and converts to all seven units simultaneously: milligram (0.000001 kg), gram (0.001 kg), kilogram (1 kg), metric ton (1000 kg), ounce (0.0283495 kg), pound (0.453592 kg), and stone (6.35029 kg). Enter a value, choose the source unit, and all seven conversions appear instantly in a grid. The source unit card is highlighted. Values are formatted to 7 significant figures. Nutritionists converting grams to ounces for recipes, logistics teams converting kg to pounds for shipping labels, and fitness enthusiasts converting stone to kg for BMI calculations are the primary users. Runs entirely in your browser.
Frequently asked questions
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