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.
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How many mcg are there in a mg?
1mg = 1000mcg. As there are 1,000 micrograms (mcg) in 1 milligram (mg), you can work out your answer by multiplying your mg figure by 1000.
How many mg are there in a mcg?
1mcg = 1/1000mg. There are 1,000 micrograms in 1 milligram. To work out your answer, divide your mcg figure by 1000.
|1 mcg||0.001 mg||10 mcg||0.01 mg|
|2 mcg||0.002 mg||20 mcg||0.02 mg|
|3 mcg||0.003 mg||30 mcg||0.03 mg|
|4 mcg||0.004 mg||40 mcg||0.04 mg|
|5 mcg||0.005 mg||50 mcg||0.05 mg|
|6 mcg||0.006 mg||60 mcg||0.06 mg|
|7 mcg||0.007 mg||70 mcg||0.07 mg|
|8 mcg||0.008 mg||80 mcg||0.08 mg|
|9 mcg||0.009 mg||90 mcg||0.09 mg|
|10 mcg||0.01 mg||100 mcg||0.1 mg|
|1 mg||1000 mcg||10 mg||10000 mcg|
|2 mg||2000 mcg||20 mg||20000 mcg|
|3 mg||3000 mcg||30 mg||30000 mcg|
|4 mg||4000 mcg||40 mg||40000 mcg|
|5 mg||5000 mcg||50 mg||50000 mcg|
|6 mg||6000 mcg||60 mg||60000 mcg|
|7 mg||7000 mcg||70 mg||70000 mcg|
|8 mg||8000 mcg||80 mg||80000 mcg|
|9 mg||9000 mcg||90 mg||90000 mcg|
|10 mg||10000 mcg||100 mg||100000 mcg|
You can use the converter tool at the top of the page to work out an answer for your individual calculation.
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 your screen simply 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.
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