397 mg = 0.397 g. To convert milligrams to grams, divide by 1,000: 397 ÷ 1,000 = 0.397.
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: 397 × 0.001 = 0.397.
- Answer: 397 mg = 0.397 g.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Milligrams to Grams table
| Milligrams (mg) | Grams (g) |
|---|---|
| 392 mg | 0.392 g |
| 393 mg | 0.393 g |
| 394 mg | 0.394 g |
| 395 mg | 0.395 g |
| 396 mg | 0.396 g |
| 397 mg | 0.397 g |
| 398 mg | 0.398 g |
| 399 mg | 0.399 g |
| 400 mg | 0.4 g |
| 401 mg | 0.401 g |
| 402 mg | 0.402 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 |