Micrograms to Milligrams
Convert micrograms (mcg) to milligrams (mg). Type in either box; the other updates as you go.
How to convert micrograms to milligrams
To convert micrograms to milligrams, multiply the number of micrograms by 0.001.
Example
Convert 5 micrograms to milligrams:
Microgram to milligram conversion chart
| Micrograms (mcg) | Milligrams (mg) |
|---|---|
| 1 mcg | 0.001 mg |
| 2 mcg | 0.002 mg |
| 3 mcg | 0.003 mg |
| 4 mcg | 0.004 mg |
| 5 mcg | 0.005 mg |
| 6 mcg | 0.006 mg |
| 7 mcg | 0.007 mg |
| 8 mcg | 0.008 mg |
| 9 mcg | 0.009 mg |
| 10 mcg | 0.01 mg |
| 12 mcg | 0.012 mg |
| 15 mcg | 0.015 mg |
| 20 mcg | 0.02 mg |
| 25 mcg | 0.025 mg |
| 30 mcg | 0.03 mg |
| 40 mcg | 0.04 mg |
| 50 mcg | 0.05 mg |
| 60 mcg | 0.06 mg |
| 70 mcg | 0.07 mg |
| 75 mcg | 0.075 mg |
| 80 mcg | 0.08 mg |
| 90 mcg | 0.09 mg |
| 100 mcg | 0.1 mg |
| 150 mcg | 0.15 mg |
| 200 mcg | 0.2 mg |
| 250 mcg | 0.25 mg |
| 500 mcg | 0.5 mg |
| 1,000 mcg | 1 mg |
Going the other way? See the milligrams to micrograms chart.
About the units
Microgram (mcg)
A microgram (mcg or µg) is one millionth of a gram. Vitamin doses such as B12 and vitamin D are measured in micrograms.
Milligram (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels use milligrams.
Frequently asked questions
How many milligrams are in a microgram?
There are 0.001 milligrams in a microgram.
How many micrograms are in a milligram?
There are 1,000 micrograms in a milligram.
How do you convert micrograms to milligrams?
To convert micrograms to milligrams, multiply the number of micrograms by 0.001.
What is 5 micrograms in milligrams?
5 micrograms equals 0.005 milligrams.
Convert between kilograms, pounds, ounces, grams, stone and tons. Open the weight converter to see a value in every unit at once.