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How many mcg in 1 mg?
The answer is 1000.
We assume you are converting between microgram and milligram.
You can view more details on each measurement unit:
mcg or mg
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000000000 mcg, or 1000000 mg.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between micrograms and milligrams.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from mg to mcg, or enter any two units below:
The SI prefix "micro" represents a factor of 10-6, or in exponential notation, 1E-6.
So 1 microgram = 10-6 grams-force.
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 milligram = 10-3 grams-force.
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