Instantly convert milligrams (mg) to grams (g). Bidirectional, accurate, and free.
To convert milligrams to grams, use the formula grams = milligrams × 0.001. For example, 2 milligrams equals 0.002 grams. Type any number into the calculator above and the result appears instantly — you can also type into the grams box to convert the other way.
| Milligrams | Grams |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 25 mg | 0.025 g |
| 50 mg | 0.05 g |
| 75 mg | 0.075 g |
| 100 mg | 0.1 g |
There are 0.001 grams in one milligram. To convert any value, apply the formula grams = milligrams × 0.001.
The formula is grams = milligrams × 0.001. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.