Grams to Milligrams
Convert grams to milligrams instantly — type a value, get the answer.
Milligrams1,000.0000mg
Multiply grams by 1000 to get milligrams. 1 g = 1000 mg.
| Grams (g) | Milligrams (mg) |
|---|---|
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 5 g | 5,000 mg |
| 10 g | 10,000 mg |
| 25 g | 25,000 mg |
| 50 g | 50,000 mg |
| 100 g | 100,000 mg |
Common grams-to-milligrams conversions, rounded to 4 decimals.
How to convert grams to milligrams
Multiply the number of grams by 1000. For example, 10 g × 1000 = 10,000 mg. The converter above does this for any value instantly, and the table below lists the conversions people look up most.
Converting milligrams back to grams
To go the other way, divide the mg value by 1000 — or multiply by 0.001. So 1 mg ≈ 0.001 g.
Questions
How many milligrams are in a gram?
One gram equals 1000 milligrams. Multiply any g figure by 1000 to convert it to mg.
How do I convert milligrams back to grams?
Divide the mg value by 1000, or multiply by 0.001. For example, 5 mg ≈ 0.005 g.
What is 10 g in mg?
10 g = 10,000 mg. Type any value into the converter above to see its milligrams equivalent.