Convert Microgram (μg) to Milligram (mg) instantly. Enter any value — result updates live.
Converting Microgram to Milligram is a common weight conversion. One microgram (μg) equals 0.001 milligram (mg). Micrograms are used in pharmacology and nutrition for very small dosages.
This conversion is commonly needed for shipping and postage calculations, medical dosage calculations, grocery shopping abroad. Milligrams are used in pharmaceuticals, nutrition, and chemical measurements.
To put microgram in perspective: a melatonin supplement (300–500 μg). In milligram, common references include a grain of salt (about 0.06 mg).
The microgram is a thousand times smaller than a milligram — vitamin B12 and folic acid are commonly dosed in micrograms because the body needs vanishingly small amounts.
Milligrams are precise enough that pharmaceutical dosing regulations often require manufacturing tolerances within a few milligrams to ensure medication safety.
People frequently convert between microgram and milligram for:
| Microgram (μg) | Milligram (mg) |
|---|---|
| 1 μg | 0.001 mg |
| 2 μg | 0.002 mg |
| 5 μg | 0.005 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 |
| 50 μg | 0.05 mg |
| 100 μg | 0.1 mg |
| 200 μg | 0.2 mg |
| 500 μg | 0.5 mg |
| 1000 μg | 1 mg |