Type a value in grams to convert it to milligrams instantly. One gram equals 1,000 milligrams.
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How to use the Grams to Milligrams Converter
- 1
Enter the value in grams.
- 2
Read the result in milligrams; it updates as you type.
- 3
Use the swap button to convert in the other direction.
How to convert grams to milligrams
mg = g × 1,000. For example, 10 g = 10,000 mg.
Frequently asked questions
How many milligrams are in a gram?
One gram is 1,000 milligrams.