Micrograms to Milligrams Converter
Convert micrograms (µg) to milligrams (mg)
Result
0.001 mg
Milligrams
1 µg = 0.001 mg
1 µg in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert micrograms to milligrams
There are 1,000 micrograms in one milligram, so divide the number of micrograms by 1,000.
mg = µg ÷ 1,000
1 µg = 0.001 mg · 1 mg = 1,000 µg
Worked example
To convert 5 micrograms to milligrams: 5 µg ÷ 1,000 = 0.005 mg.
About micrograms (µg)
A microgram is one millionth of a gram, used for vitamins, medicines and trace amounts.
About milligrams (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels often use milligrams.
More conversions
Micrograms to other units
Frequently asked questions
How many milligrams are in one microgram?
One microgram equals 0.001 milligrams.
How many micrograms are in one milligram?
One milligram equals 1,000 micrograms.
How do I convert micrograms to milligrams?
Use the formula mg = µg ÷ 1,000. For example, 5 µg ÷ 1,000 = 0.005 mg.