Convert mg to grams
1 mg = 0.001 g
1 g = 1,000 mg
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How to convert mg to grams
Divide the value in mg by 1,000 to get grams. As a formula: g = mg ÷ 1,000
Good to know
A milligram is one thousandth of a gram. On supplement labels, 500 mg is 0.5 g — the decimal point is easy to misplace, so double-check any figure you rely on.
mg to grams conversion table
| mg (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 |
| 8 mg | 0.008 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 |
| 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 |
Related conversions
- grams to mg ⇄
- grams to ounces
- ounces to grams
- kg to pounds
- pounds to kg
- stones to kg
- ounces to pounds
- pounds to ounces
- mg to mcg
- mcg to mg
Need other units? The full Weight Converter converts between every unit it supports, and the Unit Converters page lists the rest.
mg to grams — questions
How many grams are in 1 mg?
1 mg = 0.001 g. Divide the value in mg by 1,000 to get grams.
How do I convert mg to grams?
Divide the value in mg by 1,000. For example, 100 mg ÷ 1,000 = 0.1 g.
What is 100 mg in grams?
100 mg = 0.1 g.
What is 250 mg in grams?
250 mg = 0.25 g.
What is 500 mg in grams?
500 mg = 0.5 g.
What is 1,000 mg in grams?
1,000 mg = 1 g.