Grams to Milligrams Converter
Enter a value in grams and instantly see the equivalent in milligrams (1 g = 1000 mg).
Grams (g)
Milligrams (mg)
Enter a gram value to see the result.
Result
Common Conversions
| Grams (g) | Milligrams (mg) |
|---|---|
| 0.001 g | 1 mg |
| 0.01 g | 10 mg |
| 0.1 g | 100 mg |
| 0.5 g | 500 mg |
| 1 g | 1,000 mg |
| 5 g | 5,000 mg |
| 10 g | 10,000 mg |
| 100 g | 100,000 mg |
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Summary
Enter a value in grams and instantly see the equivalent in milligrams (1 g = 1000 mg).
How it works
- Type a value in grams into the input field.
- The converter multiplies by 1000 to produce milligrams.
- The result appears instantly below the input.
- Click "Copy Result" to copy the milligram value to your clipboard.
- Use "Reset" to clear the input and start fresh.
Use cases
- Convert drug or supplement dosages from grams to milligrams.
- Scale recipe ingredients that are listed in grams to milligram precision.
- Cross-check laboratory measurements when switching unit systems.
- Verify packaging label conversions for food or pharmaceutical products.
- Teach unit conversion in science or math classes.
- Convert jewelry or gemstone weights from grams to milligrams.
Frequently Asked Questions
Last updated: 2026-06-11 ·
Reviewed by Nham Vu