How to convert milligrams to grams
A milligram is one-thousandth of a gram. Therefore, 1 gram = 1,000 milligrams. To convert milligrams to grams, divide the milligram value by 1,000.
Grams = Milligrams ÷ 1,000 Example: 500 mg ÷ 1,000 = 0.5 g Milligrams to grams decimal shortcut
Because milligrams and grams are metric units, you can convert mg to g by moving the decimal point three places to the left.
- 2,500 mg → 2.5 g
- 500 mg → 0.5 g
- 50 mg → 0.05 g
- 5 mg → 0.005 g
- 1 mg → 0.001 g
Common milligrams to grams conversions
| Milligrams (mg) | Grams (g) |
|---|---|
| 1 mg | 0.001 g |
| 5 mg | 0.005 g |
| 10 mg | 0.01 g |
| 25 mg | 0.025 g |
| 50 mg | 0.05 g |
| 100 mg | 0.1 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 750 mg | 0.75 g |
| 1,000 mg | 1 g |
| 2,000 mg | 2 g |
| 2,500 mg | 2.5 g |
| 5,000 mg | 5 g |
| 10,000 mg | 10 g |
Common milligrams to grams examples
100 mg to g: 100 ÷ 1,000 = 0.1 g.
250 mg to g: 250 ÷ 1,000 = 0.25 g.
500 mg to g: 500 ÷ 1,000 = 0.5 g.
1,000 mg to g: 1,000 ÷ 1,000 = 1 g.
5,000 mg to g: 5,000 ÷ 1,000 = 5 g.
For even smaller mass measurements, use our MCG to MG Converter. To convert grams back to milligrams, use our Grams to MG Converter.
Frequently asked questions
How many grams is 500 mg?
500 milligrams is exactly equal to 0.5 grams.
How many mg are in 1 gram?
There are exactly 1,000 milligrams in 1 gram.
How do I convert mg to g?
Divide the milligram value by 1,000. For example, 2,500 mg ÷ 1,000 = 2.5 g.
Is 1,000 mg equal to 1 g?
Yes. 1,000 milligrams is exactly equal to 1 gram.
How many grams is 5,000 mg?
5,000 milligrams is exactly equal to 5 grams.
Convert grams to milligrams
Need to convert in the opposite direction? Use our Grams to MG converter to convert grams into milligrams.