Milligrams to Grams Converter

Convert mg to g instantly — 1 g = 1000 mg. Free, browser-only tool.

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Milligrams to Grams Converter

This free mass converter changes milligrams (mg) into grams (g) and back again. The relationship is exact: 1 g = 1000 mg, so 2500 mg equals 2.5 g.

Type a value in either field — the result updates in real time. The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.

Milligrams (mg)Grams (g)
100 mg0.1 g
500 mg0.5 g
1000 mg1 g
2500 mg2.5 g
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