How do you convert g to mg?

A gram is the mass/weight equal to 1/1,000 of a kilogram and is roughly equivalent to the mass of one cubic centimeter of water.

The milligram is the mass equal to 1/1,000 of a gram.

Conversion of gram to milligram

Multiply the number of grams (g) by 1,000 to get milligrams (mg).


We have to convert 5 grams to milligrams.

We know, 1 g = 1000 mg

Thus, 5 g = 5 × 1000 = 5000 mg

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