Weight Converter

Convert milligrams, grams, kilograms, tonnes, ounces, pounds, stone, and US/Imperial tons without confusing mass with pound-force or kilogram-force.

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How to use this Weight Converter

Convert common mass units in either direction and compare the same mass across metric, avoirdupois, stone, and ton units.

This page converts mass units. Pound-force and kilogram-force are force units and belong in Force/Torque converters.