Convert weight units
Enter a value, choose the starting unit, choose the target unit, then convert. Results are calculated through kilograms as the base unit.
Result
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Common weight conversions
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Converter
Weight Converter
Convert weight and mass units between pounds, kilograms, ounces, grams, milligrams, metric tons, US tons, and stones.
About this weight converter
This weight converter helps compare common metric and imperial weight units. It is useful for shipping, product listings, recipes, fitness tracking, schoolwork, and general measurement conversion.
Metric units
Milligrams, grams, kilograms, and metric tons are metric mass units. They scale by powers of 10, which makes them easy to compare.
Imperial units
Ounces, pounds, stones, and US tons are commonly used for body weight, shipping, product weights, and construction materials.
Mass vs weight
Everyday usage often says weight, while technical references may use mass. This converter is intended for practical unit conversion.
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