Convert mg to mcg
1 mg = 1,000 mcg
1 mcg = 0.001 mg
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How to convert mg to mcg
Multiply the value in mg by 1,000 to get mcg. As a formula: mcg = mg × 1,000
Good to know
1 mg is 1,000 micrograms. Micrograms are written mcg on labels and prescriptions rather than µg, because a handwritten µ can be misread as m — a thousandfold error. Confirm any medicine dose with a pharmacist.
mg to mcg conversion table
| mg (mg) | mcg (mcg) |
|---|---|
| 0.1 mg | 100 mcg |
| 0.5 mg | 500 mcg |
| 1 mg | 1,000 mcg |
| 2 mg | 2,000 mcg |
| 3 mg | 3,000 mcg |
| 4 mg | 4,000 mcg |
| 5 mg | 5,000 mcg |
| 6 mg | 6,000 mcg |
| 8 mg | 8,000 mcg |
| 10 mg | 10,000 mcg |
| 12 mg | 12,000 mcg |
| 15 mg | 15,000 mcg |
| 20 mg | 20,000 mcg |
| 25 mg | 25,000 mcg |
| 30 mg | 30,000 mcg |
| 50 mg | 50,000 mcg |
| 75 mg | 75,000 mcg |
| 100 mg | 100,000 mcg |
| 250 mg | 250,000 mcg |
| 500 mg | 500,000 mcg |
| 1,000 mg | 1,000,000 mcg |
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Need other units? The full Weight Converter converts between every unit it supports, and the Unit Converters page lists the rest.
mg to mcg — questions
How many mcg are in 1 mg?
1 mg = 1,000 mcg. Multiply the value in mg by 1,000 to get mcg.
How do I convert mg to mcg?
Multiply the value in mg by 1,000. For example, 0.1 mg × 1,000 = 100 mcg.
What is 0.1 mg in mcg?
0.1 mg = 100 mcg.
What is 0.5 mg in mcg?
0.5 mg = 500 mcg.
What is 5 mg in mcg?
5 mg = 5,000 mcg.