Grams to Milligrams Converter
Convert grams (g) to milligrams (mg) instantly. 1 gram = 1,000 milligrams.
How to convert grams to milligrams
mg = g × 1,000
To convert grams to milligrams, multiply the weight value by 1,000. One gram (g) is equal to 1,000 milligrams (mg). For quick everyday conversions, the interactive converter above gives you the exact result as you type — no rounding surprises.
Grams to Milligrams conversion table
| Grams (g) | Milligrams (mg) |
|---|---|
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 3 g | 3,000 mg |
| 4 g | 4,000 mg |
| 5 g | 5,000 mg |
| 6 g | 6,000 mg |
| 7 g | 7,000 mg |
| 8 g | 8,000 mg |
| 9 g | 9,000 mg |
| 10 g | 10,000 mg |
| 15 g | 15,000 mg |
| 20 g | 20,000 mg |
| 25 g | 25,000 mg |
| 50 g | 50,000 mg |
| 100 g | 100,000 mg |
Frequently asked questions
How many milligrams are in 1 gram?
1 gram equals 1,000 milligrams.
How do I convert grams to milligrams?
Multiply the number of grams by 1,000. For example, 8 g × 1,000 = 8,000 mg.
What is 8 grams in milligrams?
8 grams is equal to 8,000 milligrams.
Can I convert milligrams back to grams?
Yes — use our Milligrams to Grams converter, or divide by 1,000.