Gram to Milligram
Convert g to mg instantly — free, no sign-up.
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About the Gram (g)
The Gram is the everyday unit for cooking ingredients and small object weights worldwide.
About the Milligram (mg)
The Milligram is one thousandth of a gram, used for dosing in medicine and very small chemical quantities.
How to convert g to mg
- Enter the value in g in the box above.
- The mg equivalent updates instantly.
- Use the swap button to convert mg back to g just as easily.