2.1 mg = 0.0021 g. To convert milligrams to grams, divide by 1,000: 2.1 ÷ 1,000 = 0.0021.
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: 2.1 × 0.001 = 0.0021.
- Answer: 2.1 mg = 0.0021 g.
Shortcut: dividing by 1,000 gives the same result as multiplying by 0.001.
Milligrams to Grams table
| Milligrams (mg) | Grams (g) |
|---|---|
| 1.6 mg | 0.0016 g |
| 1.7 mg | 0.0017 g |
| 1.8 mg | 0.0018 g |
| 1.9 mg | 0.0019 g |
| 2 mg | 0.002 g |
| 2.1 mg | 0.0021 g |
| 2.2 mg | 0.0022 g |
| 2.3 mg | 0.0023 g |
| 2.4 mg | 0.0024 g |
| 2.5 mg | 0.0025 g |
| 2.6 mg | 0.0026 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 |