Convert weight between kg, g, mg, lb, oz, stone, and metric tonnes. Type any value and see all units at once.
Enter a weight in any unit and instantly see the equivalent in kilograms, grams, milligrams, pounds, ounces, stone, and metric tonnes. All conversions use exact internationally-defined ratios and results are shown to 6 significant figures.
Enter a value in the number box and select the source unit from the dropdown. All other units update instantly in the cards below.
A stone is a unit of weight used in the UK and Ireland, equal to 14 pounds or approximately 6.35 kg. It is commonly used for body weight.
No. A metric tonne is 1,000 kg (2,204.6 lb). A US short ton is 2,000 lb (907.2 kg). A UK long ton is 2,240 lb (1,016 kg). This tool uses the metric tonne.
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