Free instant g → mg converter. No signup, no uploads — everything is calculated privately in your browser.
1 g = 1,000 milligrams
1 grams = 1,000 milligrams
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 gram equals 1,000 milligrams. To convert grams to milligrams, multiply the value by 1000.0000000000001.
1 gram = 1,000 milligrams. Formula: value × 1000.0000000000001
Example: 1 g → 1,000 mg. Type any value in the converter above to see it converted live.
| 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 |
| 250 g | 250,000 mg |
| 500 g | 500,000 mg |
| 1,000 g | 1,000,000 mg |
1 gram = 1,000 milligrams. Formula: value × 1000.0000000000001. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 gram = 1000.0000000000001 milligrams. The reverse factor is 1 milligram = 0.001 grams.
1 g = 1,000 mg; 10 g = 10,000 mg; 100 g = 100,000 mg. Use the full conversion table below for more reference values.
No. This converter uses avoirdupois ounces (1 oz = 28.349523125 g), which are standard for everyday weight. Troy ounces, used for precious metals, are heavier at 31.1034768 g.