Milligrams to Grams
Convert milligrams (mg) to grams (g). Type in either box; the other updates as you go.
How to convert milligrams to grams
To convert milligrams to grams, multiply the number of milligrams by 0.001.
Example
Convert 5 milligrams to grams:
Milligram to gram conversion chart
| Milligrams (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 |
| 7 mg | 0.007 g |
| 8 mg | 0.008 g |
| 9 mg | 0.009 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 |
| 40 mg | 0.04 g |
| 50 mg | 0.05 g |
| 60 mg | 0.06 g |
| 70 mg | 0.07 g |
| 75 mg | 0.075 g |
| 80 mg | 0.08 g |
| 90 mg | 0.09 g |
| 100 mg | 0.1 g |
| 150 mg | 0.15 g |
| 200 mg | 0.2 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 1,000 mg | 1 g |
Going the other way? See the grams to milligrams chart.
About the units
Milligram (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels use milligrams.
Gram (g)
A gram is one thousandth of a kilogram. Food packaging and recipes outside the US weigh ingredients in grams.
Frequently asked questions
How many grams are in a milligram?
There are 0.001 grams in a milligram.
How many milligrams are in a gram?
There are 1,000 milligrams in a gram.
How do you convert milligrams to grams?
To convert milligrams to grams, multiply the number of milligrams by 0.001.
What is 5 milligrams in grams?
5 milligrams equals 0.005 grams.
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