How to convert milligrams to grams
Formula: g = mg × 0.001
Worked example: 500 mg → 500 × 0.001 = 0.5 g
Milligrams to grams conversion chart
| Milligrams (mg) | Grams (g) |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 3 mg | 0.003 g |
| 4 mg | 0.004 g |
| 5 mg | 0.005 g |
| 6 mg | 0.006 g |
| 7 mg | 0.007 g |
| 8 mg | 0.008 g |
| 9 mg | 0.009 g |
| 10 mg | 0.01 g |
| 12 mg | 0.012 g |
| 15 mg | 0.015 g |
| 20 mg | 0.02 g |
| 25 mg | 0.025 g |
| 30 mg | 0.03 g |
| 40 mg | 0.04 g |
| 50 mg | 0.05 g |
| 75 mg | 0.075 g |
| 100 mg | 0.1 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 1,000 mg | 1 g |
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.
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.