How to convert grams to milligrams
Formula: mg = g × 1,000
Worked example: 250 g → 250 × 1,000 = 250,000 mg
Grams to milligrams conversion chart
| Grams (g) | Milligrams (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 |
| 75 g | 75,000 mg |
| 100 g | 100,000 mg |
| 250 g | 250,000 mg |
| 500 g | 500,000 mg |
| 1,000 g | 1,000,000 mg |
What is a gram?
The gram is one thousandth of a kilogram, roughly the mass of a paper clip. It is the unit of kitchen scales and recipes outside the US, of nutrition labels (protein, fat and sugar per serving) and of postage for small parcels.
What is a milligram?
The milligram is one thousandth of a gram. It is the everyday unit of medicine doses (a regular aspirin tablet holds 325 mg), caffeine content and the sodium, cholesterol and mineral lines of a Nutrition Facts label.