820 mg = 0.82 g. To convert milligrams to grams, divide by 1,000: 820 ÷ 1,000 = 0.82.
How to convert milligrams to grams
g = mg × 0.001
- 1 mg = 0.001 g (and 1 g = 1,000 mg).
- Multiply the amount by the factor: 820 × 0.001 = 0.82.
- Answer: 820 mg = 0.82 g.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Milligrams to Grams table
| Milligrams (mg) | Grams (g) |
|---|---|
| 815 mg | 0.815 g |
| 816 mg | 0.816 g |
| 817 mg | 0.817 g |
| 818 mg | 0.818 g |
| 819 mg | 0.819 g |
| 820 mg | 0.82 g |
| 821 mg | 0.821 g |
| 822 mg | 0.822 g |
| 823 mg | 0.823 g |
| 824 mg | 0.824 g |
| 825 mg | 0.825 g |
| mg | g |
|---|---|
| 1 mg | 0.001 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 50 mg | 0.05 g |
| 100 mg | 0.1 g |
| 1,000 mg | 1 g |