Weight & Mass Converter
Free weight converter. Convert between milligrams, grams, kilograms, metric tonnes, ounces, pounds and more, with every equivalent shown at once.
Enter your values and press Calculate.
How to use the Weight & Mass Converter
Covers metric, US customary and British units including stone, which is still widely used for body weight in the UK.
Formula
Each value is converted to a base unit (kilograms (kg)) and then to the target unit. Factors used: 1 milligram = 0.000001 kilograms; 1 gram = 0.001 kilograms; 1 metric tonne = 1000 kilograms; 1 ounce = 0.02834952313 kilograms; 1 pound = 0.45359237 kilograms; 1 stone = 6.35029318 kilograms.
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