Micrograms to Milligrams Converter

Convert micrograms to milligrams with a free calculator

How to Convert Micrograms to Milligrams

Formula: 1 µg = 0.001 mg

Multiply your micrograms value by 0.001 to get the equivalent in milligrams. The conversion factor 0.001 is based on the internationally accepted definitions of both units.

Micrograms to Milligrams Reference Table

Micrograms (µg)Milligrams (mg)
1 µg0.001 mg
5 µg0.005 mg
10 µg0.01 mg
25 µg0.025 mg
50 µg0.05 mg
100 µg0.1 mg
500 µg0.5 mg
1000 µg1 mg

Related Conversions

Milligrams to Micrograms All Unit Conversions

Frequently Asked Questions

How many micrograms are in 1 milligram? +
There are 1,000 micrograms in 1 milligram.
What is a microgram used for? +
Micrograms measure very small quantities, commonly used for medication dosages, vitamin amounts, and lab measurements. Vitamin D is often dosed in micrograms.
How do I read mcg vs mg on supplement labels? +
mcg (or µg) is micrograms. mg is milligrams. 1 mg = 1,000 mcg. Some labels use "mcg" since the µ symbol is hard to type.