3 grams to mg
Convert 3 grams to milligrams — the answer, the arithmetic and the closest common values, all on one page.
Show your work
3 g × 1000 = 3,000 mg.
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Questions
What is 3 grams in milligrams?
3 g = 3,000 mg. The arithmetic: 3 g × 1000 = 3,000 mg.
How precise is this result?
The factor is exact by definition, so the only rounding is the display. Higher precision is available on the g to mg converter page.
What is 3 mg in g?
3 mg = 0.003 g — the inverse direction.