Weight converter

Here you can convert micrograms, milligrams, grams, kilograms, centners, tonnes, stones, pounds and ounces.

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About Mass

Mass is a physical quantity that describes the amount of matter in an object and its inertia — the ability to resist changes in speed when a force is applied.

Kilogram (kg) — the base unit of mass in the SI system. It is widely used in science, engineering, and everyday life.

Gram (g) — 0.001 kg, commonly used in daily life to measure small masses (food, medicine, etc.).

Milligram (mg) — 0.001 g, used for very small masses, such as in pharmaceuticals.

Tonne (t) — 1000 kg, used to measure large masses (vehicles, cargo, industrial volumes).

Centner — 100 kg, often used in agriculture.

Microgram (μg) — 0.001 mg, applied in medicine, biology, chemistry (e.g., medication doses, air pollution).

Pound (lb) — 0.45359237 kg, commonly used in the US for measuring body weight, food, etc.

Ounce (oz) — 1/16 of a pound, used for small weights: spices, mail, jewelry.

Stone (st) — 14 pounds, used in the UK to indicate a person’s body weight.