680 mg = 0.68 g. To convert milligrams to grams, divide by 1,000: 680 ÷ 1,000 = 0.68.
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: 680 × 0.001 = 0.68.
- Answer: 680 mg = 0.68 g.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Milligrams to Grams table
| Milligrams (mg) | Grams (g) |
|---|---|
| 675 mg | 0.675 g |
| 676 mg | 0.676 g |
| 677 mg | 0.677 g |
| 678 mg | 0.678 g |
| 679 mg | 0.679 g |
| 680 mg | 0.68 g |
| 681 mg | 0.681 g |
| 682 mg | 0.682 g |
| 683 mg | 0.683 g |
| 684 mg | 0.684 g |
| 685 mg | 0.685 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 |