Milligrams to Grams
1 Milligram = 0.001 Grams
Common amounts:
About the milligram to gram conversion
The milligram (mg) and the gram (g) are both units of weight. Convert between mass units — milligrams, grams, kilograms, metric tonnes, pounds, ounces and stones.
To convert milligrams to grams, multiply by 0.001. To go back, multiply grams by 1,000.
Reference table
| Milligrams | Grams |
|---|---|
| 1 mg | 0.001 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 25 mg | 0.025 g |
| 50 mg | 0.05 g |
| 100 mg | 0.1 g |
Need the reverse conversion? Convert Grams to Milligrams.
Convert Milligram to other weight units
Frequently asked questions
- How many grams is 1 milligram?
- 1 Milligram equals 0.001 Grams. To go the other way, 1 Gram equals 1,000 Milligrams.
- What's the formula to convert milligrams to grams?
- Multiply the number of milligrams by 0.001 to get grams. For example, 10 milligrams × 0.001 = 0.01 grams.
- Does this converter handle decimals and very large numbers?
- Yes. Type any real number, including decimals or values in the trillions. Math runs entirely in your browser — no server round-trip, no sign-up, and nothing to install.