Milligrams to Micrograms Converter
Convert milligrams (mg) to micrograms (µg)
Result
1,000 µg
Micrograms
1 mg = 1,000 µg
1 mg 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 milligrams to micrograms
One milligram equals 1,000 micrograms, so multiply the number of milligrams by 1,000.
µg = mg × 1,000
1 mg = 1,000 µg · 1 µg = 0.001 mg
Worked example
To convert 5 milligrams to micrograms: 5 mg × 1,000 = 5,000 µg.
About milligrams (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels often use milligrams.
About micrograms (µg)
A microgram is one millionth of a gram, used for vitamins, medicines and trace amounts.
More conversions
Milligrams to other units
Frequently asked questions
How many micrograms are in one milligram?
One milligram equals 1,000 micrograms.
How many milligrams are in one microgram?
One microgram equals 0.001 milligrams.
How do I convert milligrams to micrograms?
Use the formula µg = mg × 1,000. For example, 5 mg × 1,000 = 5,000 µg.