500 mcg to mg
Convert 500 micrograms (µg) to milligrams — the answer, the arithmetic and the closest common values, all on one page.
Show your work
500 mcg × 0.001 = 0.5 mg.
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Questions
What is 500 micrograms (µg) in milligrams?
500 mcg = 0.5 mg. The arithmetic: 500 mcg × 0.001 = 0.5 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 mcg to mg converter page.
What is 500 mg in mcg?
500 mg = 500,000 mcg — the inverse direction.