Micrograms to Milligrams (µg to mg)
Free online microgram to milligram converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
WEIGHT AND MASS CONVERTER — INSTANT RESULT
Formula: multiply the microgram value by 0.001 — i.e. mg = µg × 0.001
Quick check: 1 µg = 0.001 mg
Quick check: 1 µg = 0.001 mg
Micrograms to Milligrams conversion table
| Micrograms (µg) | Milligrams (mg) |
|---|---|
| 1 µg | 0.001 mg |
| 2 µg | 0.002 mg |
| 3 µg | 0.003 mg |
| 4 µg | 0.004 mg |
| 5 µg | 0.005 mg |
| 6 µg | 0.006 mg |
| 7 µg | 0.007 mg |
| 8 µg | 0.008 mg |
| 9 µg | 0.009 mg |
| 10 µg | 0.01 mg |
| 15 µg | 0.015 mg |
| 20 µg | 0.02 mg |
| 25 µg | 0.025 mg |
| 30 µg | 0.03 mg |
| 40 µg | 0.04 mg |
| 50 µg | 0.05 mg |
| 75 µg | 0.075 mg |
| 100 µg | 0.1 mg |
| 250 µg | 0.25 mg |
| 500 µg | 0.5 mg |
| 1,000 µg | 1 mg |
How to convert micrograms to milligrams
To convert micrograms to milligrams, multiply the amount in micrograms by 0.001. For example, 10 µg = 0.01 mg. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between metric, avoirdupois, troy and apothecary mass units. The kilogram is the SI base unit of mass; pounds and ounces below follow the international avoirdupois definitions (1 lb = 0.45359237 kg exactly).
Frequently asked questions
How many milligrams are in one microgram?
One microgram is exactly 0.001 milligrams.
How do I convert µg to mg?
Multiply the µg value by 0.001 to get mg. The converter at the top of this page does this automatically and works in both directions.
How much is 100 micrograms in milligrams?
100 micrograms equals 0.1 milligrams.