gram to milligram
1 gram equals 1000 milligram, and 1 milligram equals 0.001 gram.
Conversion formula
mg = g × 1000
To convert gram to milligram, multiply the value by 1000.
Conversion table
| 1 g | 1000 mg |
|---|---|
| 2 g | 2000 mg |
| 5 g | 5000 mg |
| 10 g | 10000 mg |
| 25 g | 25000 mg |
| 50 g | 50000 mg |
| 100 g | 100000 mg |
| 500 g | 500000 mg |
| 1000 g | 1000000 mg |
Reverse conversion table
| 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 |
| 100 mg | 0.1 g |
| 500 mg | 0.5 g |
| 1000 mg | 1 g |
Key facts
| 1 gram | 1000 milligram |
|---|---|
| 1 milligram | 0.001 gram |
Frequently asked questions
How do I convert gram to milligram?
Multiply the gram value by 1000 to get milligram. For example, 10 gram = 10000 milligram.
How do I convert milligram back to gram?
Divide the milligram value by 1000 (equivalently, multiply by 0.001) to get gram.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page