1 milligram = 0.001 grams
Convert milligrams to grams.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
g = mg × 0.001
Worked through with a real value: 10 milligrams = 0.01 grams.
Going the other way: mg = g × 1000, so 1 gram = 1000 milligrams.
What each unit is
- milligram mg
- A millionth of a kilogram, used for medicine dosages, vitamin content and chemical precision.
- gram g
- A thousandth of a kilogram, the everyday metric unit for food, medicine and small measurements.
Conversion tables
| milligrams (mg) | grams (g) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| grams (g) | milligrams (mg) |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 4 | 4000 |
| 5 | 5000 |
| 6 | 6000 |
| 7 | 7000 |
| 8 | 8000 |
| 9 | 9000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 75 | 75000 |
| 100 | 100000 |
Questions
How many grams are in a milligram?
1 milligram = 0.001 grams.
How do I convert milligrams to grams?
Use g = mg × 0.001. For example, 10 milligrams = 0.01 grams.
How many milligrams are in one gram?
1 gram = 1000 milligrams.
What is 10 milligrams in grams?
10 milligrams = 0.01 grams.
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