Convert Milligrams to grams
1 milligram = 0.001 grams · g = mg ÷ 1,000
When you need this conversion
This conversion goes from milligrams, the unit used for medication doses and nutrition labels, to grams, the metric unit for cooking ingredients and small items. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Milligrams to grams conversion table
| Milligrams (mg) | Grams (g) |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 3 mg | 0.003 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 15 mg | 0.015 g |
| 20 mg | 0.02 g |
| 25 mg | 0.025 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 |
The formula
g = mg ÷ 1,000Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Grams to milligrams →Related weight conversions
- Ounces to grams
- Carats to grams
- Grams to ounces
- Grams to carats
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- Pounds to kilograms
- Stones to kilograms
- US tons to metric tons
- Milligrams to kilograms
- Milligrams to metric tons
Frequently asked questions
- How many grams are in a milligram?
- There are 0.001 grams in 1 milligram. The formula is g = mg ÷ 1,000.
- How do you convert milligrams to grams?
- Use the formula g = mg ÷ 1,000. For example, 10 milligrams equals 0.01 grams.
- Is the milligrams to grams conversion exact?
- Yes. Milligrams and grams are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is mg short for?
- mg is the standard symbol for milligram. g is the symbol for gram.