Milligrams to grams converter
Grams (g)
1 milligram = 0.001 grams
How to convert milligrams to grams
g = mg × 0.001
Multiply the number of milligrams by 0.001 to get grams. Going the other way, divide by 0.001 (or multiply by 1000).
One milligram is exactly defined as 0.001 grams (to 12 significant figures), and one gram is 1000 milligrams.
Worked examples
- Convert 5 milligrams: 5 × 0.001 = 0.005 0.005 grams.
- Convert 12.5 milligrams: 12.5 × 0.001 = 0.0125 0.0125 grams.
- Convert 250 milligrams: 250 × 0.001 = 0.25 0.25 grams.
Quick-reference table
| mg | g |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 1,000 | 1 |
| g | mg |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
Related conversions
Frequently asked questions
How many grams are in 1 milligram?
1 milligram equals 0.001 grams.
What is the formula to convert milligrams to grams?
Use g = mg × 0.001. Multiply the number of milligrams by 0.001 to get grams. Going the other way, divide by 0.001 (or multiply by 1000).
What is 100 milligrams in grams?
100 milligrams is 0.1 grams.