How to convert milligrams to grams
g = mg × 0.001
Example: 5 mg × 0.001 = 0.005 g
Milligrams to Grams table
| Milligrams (mg) | Grams (g) |
|---|---|
| 0.5 mg | 0.0005 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 |
| 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 |
About these units
Milligrams (mg): A milligram is one thousandth of a gram, used for medicine doses and nutrients.
Grams (g): A gram is one thousandth of a kilogram, used for food, ingredients, jewellery and postage.
Frequently asked questions
How many grams are in 1 milligram?
1 milligram (mg) equals 0.001 grams.
How do I convert mg to g?
Multiply the value in milligrams by 0.001. For example, 5 mg × 0.001 = 0.005 g.
How do I convert grams back to milligrams?
Multiply by 1,000 (or divide by 0.001). 1 g = 1,000 mg.
What is a milligram?
A milligram is one thousandth of a gram, used for medicine doses and nutrients.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every weight / mass unit at once? Use the Weight Converter.