›› Convert milligram to microgram


Did you mean to convert megagram
to mcg

›› More information from the unit converter

How many mg in 1 mcg? The answer is 0.001.
We assume you are converting between milligram and microgram.
You can view more details on each measurement unit:
mg or mcg
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000000 mg, or 1000000000 mcg.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between milligrams and micrograms.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of mg to mcg

1 mg to mcg = 1000 mcg

2 mg to mcg = 2000 mcg

3 mg to mcg = 3000 mcg

4 mg to mcg = 4000 mcg

5 mg to mcg = 5000 mcg

6 mg to mcg = 6000 mcg

7 mg to mcg = 7000 mcg

8 mg to mcg = 8000 mcg

9 mg to mcg = 9000 mcg

10 mg to mcg = 10000 mcg

›› Want other units?

You can do the reverse unit conversion from mcg to mg, or enter any two units below:

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›› Common weight conversions

mg to decitonne
mg to gigagram
mg to millimass unit
mg to tola
mg to dram
mg to yottagram
mg to tonne
mg to qintar
mg to catti
mg to kilogram-force

›› Definition: Milligram

The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.

So 1 milligram = 10-3 grams-force.

›› Definition: Microgram

The SI prefix "micro" represents a factor of 10-6, or in exponential notation, 1E-6.

So 1 microgram = 10-6 grams-force.

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!