mcg to mg, without the mistakes
1 mg = 1,000 mcg. That factor of 1,000 is behind most serious dosing mistakes, so it's worth getting automatic.
Converter
Quick table
| mcg (µg) | mg |
|---|---|
| 100 mcg | 0.1 mg |
| 250 mcg | 0.25 mg |
| 500 mcg | 0.5 mg |
| 1,000 mcg | 1 mg |
| 2,500 mcg | 2.5 mg |
| 5,000 mcg | 5 mg |
mcg, µg and ug are the same thing
All three mean microgram. µ is the Greek letter mu. "mcg" is the version used on medical labels, because a handwritten µ can be misread as m, which is a 1,000× error.
Common questions
How many mcg in a mg?
1,000. So 0.25 mg is 250 mcg.
Is mcg the same as µg?
Yes. Both mean microgram.
How many mg are in a 5 mg vial in mcg?
5,000 mcg.