Convert grams to milligrams quickly and accurately using this free online converter
Common in cooking, food packaging, and ingredient measurements.
💡 Most recipes outside the US use grams; US recipes often use ounces.
mg = g × 1000
Example: 1 g × 1000 = 1000 mg
Use grams for precision recipes; ounces for US recipes.
Common uses: cooking, food prep, and packaging.
How do I convert g to mg?
Multiply the value in Grams by 1000. For example: 10 g = 10,000.00 mg.
When should I use Milligrams instead of Grams?
Use grams for precision recipes; ounces for US recipes.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Grams (g) | Milligrams (mg) |
|---|---|
| 1 g | 1000 mg |
| 2 g | 2000 mg |
| 5 g | 5000 mg |
| 10 g | 10,000.00 mg |
| 20 g | 20,000.00 mg |
| 50 g | 50,000.00 mg |
| 100 g | 100,000.00 mg |
| 200 g | 200,000.00 mg |
| 500 g | 500,000.00 mg |
| 1000 g | 1,000,000.00 mg |