Micrograms to Milligrams Converter
Convert mcg to mg
Formula
1 mg = 1,000 mcg | 1 mcg = 0.001 mg | 1 g = 1,000 mg = 1,000,000 mcg
Frequently Asked Questions
How many mcg are in 1 mg?
There are 1,000 micrograms (mcg) in 1 milligram (mg). To convert mcg to mg, divide by 1,000. For example, 500 mcg = 0.5 mg.
What is the difference between mcg and mg?
A microgram (mcg or µg) is 1/1000th of a milligram (mg). A milligram is 1/1000th of a gram. Micrograms are used for very small dosages like vitamin D, B12, and certain medications.
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