grams to milligrams
Convert gram to milligram — instant, free, with the formula shown.
1 g=1000 mg
How to convert gram to milligram
To convert gram to milligram, multiply by 1000:
mg = g × 1000
For example, 10 g × 1000 = 10000 mg.
g to mg conversion table
| grams (g) | milligrams (mg) |
|---|---|
| 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 |
| 250 g | 250000 mg |
| 500 g | 500000 mg |
| 1000 g | 1000000 mg |
Other gram conversions
Convert to milligram from another unit
g to mg — frequently asked
How many milligrams are in 1 gram?
1 gram = 1000 milligrams (g × 1000 = mg).
What is the formula to convert gram to milligram?
Multiply your gram value by 1000 to get milligram.
How do I convert 10 grams to milligrams?
10 g = 10000 mg. For 100 g the answer is 100000 mg. Use the calculator on this page for any other value.