How to convert
mg = g × 1,000
Reverse: g = mg × 0.001
mg = g × 1,000
Reverse: g = mg × 0.001
Converting g to mg
g (gram) and mg (milligram) are units of weight. One g equals 1,000 mg. Just type a value in the box above to convert instantly — useful for recipes, drawings, product specs and travel between metric and imperial units.
g to mg conversion chart
| g | mg |
|---|---|
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 3 g | 3,000 mg |
| 5 g | 5,000 mg |
| 10 g | 10,000 mg |
| 20 g | 20,000 mg |
| 50 g | 50,000 mg |
| 100 g | 100,000 mg |
Frequently asked questions
- How many mg are in one g?
- 1 g = 1,000 mg.
- How do I convert mg back to g?
- Multiply the mg value by 0.001 to get g.
- Is my input sent to a server?
- No. Everything is calculated locally in your browser and nothing is uploaded or stored.