Convert grams (g) to milligrams (mg) instantly — type a value below.
To convert grams to milligrams, use this formula:
mg = g × 1,000 (or divide by 0.001)
| Grams (g) | Milligrams (mg) |
|---|---|
| 0.1 g | 100 mg |
| 0.25 g | 250 mg |
| 0.5 g | 500 mg |
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 3 g | 3,000 mg |
| 4 g | 4,000 mg |
| 5 g | 5,000 mg |
| 6 g | 6,000 mg |
| 7 g | 7,000 mg |
| 8 g | 8,000 mg |
| 9 g | 9,000 mg |
| 10 g | 10,000 mg |
| 12 g | 12,000 mg |
| 15 g | 15,000 mg |
| 20 g | 20,000 mg |
| 25 g | 25,000 mg |
| 30 g | 30,000 mg |
| 40 g | 40,000 mg |
| 50 g | 50,000 mg |
| 60 g | 60,000 mg |
| 70 g | 70,000 mg |
| 75 g | 75,000 mg |
| 80 g | 80,000 mg |
| 90 g | 90,000 mg |
| 100 g | 100,000 mg |
| 150 g | 150,000 mg |
| 200 g | 200,000 mg |
| 250 g | 250,000 mg |
| 500 g | 500,000 mg |
| 1,000 g | 1,000,000 mg |
A gram is one thousandth of a kilogram. It is the standard unit for food, cooking ingredients and small objects in metric countries.
A milligram is one thousandth of a gram. It is used for medicine doses, vitamins and nutrition labels.
Need other units? Use the full weight converter.