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Free Weight Converter

Milligram to Microgram Converter.

One thousandth of a gram, common on nutrition labels and in medicine. Converting to micrograms: One millionth of a gram, used in pharmaceuticals and laboratory work. One milligram equals 1,000 μg.

Result

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All units

Conversion formula

Multiply the milligram value by 1,000 to get micrograms. (factor: 1,000)

1 mg = 1,000 μg

Quick reference table

mgμg
0.001 mg1 μg
0.01 mg10 μg
0.1 mg100 μg
1 mg1,000 μg
10 mg10,000 μg

Need the reverse? Try ourMicrogram to Milligram.

Milligram to Microgram FAQ

How many micrograms are in one milligram?

One milligram equals 1,000 μg. Multiply by 1,000 to convert any value.

How do you convert mg to μg?

Multiply the milligram value by 1,000 to get micrograms.

When would you use milligrams vs micrograms?

One thousandth of a gram, common on nutrition labels and in medicine. One millionth of a gram, used in pharmaceuticals and laboratory work.