Weight

mcg to mg Converter

Convert micrograms (mcg / µg) to milligrams (mg) instantly — there are 1,000 mcg in a mg — with a full equivalents table. Handy for supplement and medication labels.

Result

0.5 mg

Equivalent weight

Your value in micrograms, milligrams, and grams.

How it works

A microgram is one thousandth of a milligram. Both are common on supplement and medicine labels, where mcg and µg mean the same thing. Converting is a factor of 1,000.

mg = mcg ÷ 1,000
1 mg = 1,000 mcg · 1 g = 1,000 mg

Worked example

500 mcg equals 500 ÷ 1,000 = 0.5 mg.

Frequently asked questions

How many mcg are in 1 mg?

1,000 mcg.

How do I convert mcg to mg?

Divide by 1,000 — 500 mcg = 0.5 mg.