Quick Answer
1 gram equals 1,000 milligrams. To convert grams to milligrams, multiply the value by this factor.
Key Facts
- Reverse: 1 milligram = 0.001 grams.
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1 g = 1,000 milligrams
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1 gram equals 1,000 milligrams. To convert grams to milligrams, multiply the value by this factor.
Formula: value × 1,000
Prefer to skip the math? Type any value in the converter above and it converts instantly.
| 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 |
Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 1,000.
1 gram = 1,000 milligrams (shown to 6 significant figures — the converter itself computes at full precision). 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.