Convert Grams to Milligrams
g
1 gram =
1000 milligrams
* exact result
Select how many decimal places the result will be rounded to:
How to convert grams to milligrams
To convert grams to milligrams, multiply a grams value by 1000.
Formula mg = g × 1000
Example: Convert 5 grams to milligrams Calculations: 5 g × 1000 = 5000 mg
Gram (g)
The gram is the universal unit of mass, defined as the mass of one cubic centimeter of water at its maximum density. One gram is equal to 1/1000 of a kilogram, or approximately 0.035274 ounces.
Milligram (mg)
The milligram is a unit of mass, commonly used to measure light weights. One milligram is equal to 1/1000 of a gram, or approximately 0.000035274 ounces.
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