How many mcg are there in 1 mg?
There are 1,000 micrograms (mcg) in 1 milligram (mg).
To convert mg to mcg, multiply your mg figure by 1,000.
mcg and mg
mg and g
µg and g
Convert between micrograms (mcg) and milligrams (mg) using this simple calculator tool. Conversion tables and formulas are also available further down.
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How many mg are there in 1 mcg?
1 microgram (mcg) is equal to 0.001 milligrams (mg).
To convert mcg to mg, divide your mcg figure by 1,000.
Micrograms to milligrams chart
| Micrograms | Milligrams | Micrograms | Milligrams |
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Milligrams to micrograms chart
| Milligrams | Micrograms | Milligrams | Micrograms |
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You can use the converter tool at the top of the page to work out an answer for your individual calculation.
If you wish to convert between milligrams and grams, you can do so with the mg to g converter.
Alternatively, you can convert between micrograms and grams here.
What is the symbol for micrograms?
Microgram is a unit in the metric system and its symbol is µg. To type the symbol µ on a Mac, press the [Option] + [M] keys together. On Windows, keep the [Alt] key depressed whilst you type the digits [0] [1] [8] [1].
Within medical reports and communication micrograms are commonly referred to with the symbol mcg.
If you have any suggestions or queries with this conversion tool, please contact me.