Grams to Milligrams
Convert grams to milligrams with our free calculator. Factors are exact by international definition.
Result in Milligrams (mg)
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1 gram = 1000 milligrams
10 grams = 10000 milligrams
To convert grams to milligrams, multiply by 1000.
More weight conversions
Frequently asked questions
How many milligrams are in a gram?
There are 1000 milligrams in 1 gram. In other words, 1 gram equals 1000 milligrams.
How do you convert grams to milligrams?
Multiply the grams value by 1000. For example, 10 grams = 10000 milligrams.
Is a gram bigger than a milligram?
Yes — a gram is larger than a milligram. 1 gram equals 1000 milligrams, so it is about 1000 times a milligram.