# Micrograms and Milligrams Converter

Convert between micrograms (mcg) and milligrams (mg) using this simple calculator tool. Conversion tables and formulae are also available further down.

Disclaimer: Whilst every effort has been made in building our calculator tools, we are not to be held liable for any damages or monetary losses arising out of or in connection with their use. Full disclaimer.

## 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.

## 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

MicrogramMilligramMicrogramMilligram
10 mcg0.01 mg100 mcg0.1 mg
20 mcg0.02 mg200 mcg0.2 mg
30 mcg0.03 mg300 mcg0.3 mg
40 mcg0.04 mg400 mcg0.4 mg
50 mcg0.05 mg500 mcg0.5 mg
60 mcg0.06 mg600 mcg0.6 mg
70 mcg0.07 mg700 mcg0.7 mg
80 mcg0.08 mg800 mcg0.8 mg
90 mcg0.09 mg900 mcg0.9 mg
100 mcg0.1 mg1000 mcg1 mg

## Milligrams to micrograms chart

MilligramMicrogramMilligramMicrogram
1 mg1,000 mcg10 mg10,000 mcg
2 mg2,000 mcg20 mg20,000 mcg
3 mg3,000 mcg30 mg30,000 mcg
4 mg4,000 mcg40 mg40,000 mcg
5 mg5,000 mcg50 mg50,000 mcg
6 mg6,000 mcg60 mg60,000 mcg
7 mg7,000 mcg70 mg70,000 mcg
8 mg8,000 mcg80 mg80,000 mcg
9 mg9,000 mcg90 mg90,000 mcg
10 mg10,000 mcg100 mg100,000 mcg

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 2 3 0.

Within medical reports and communication micrograms are commonly referred to with the symbol mcg.