CALCULATOR
Grams to Milligrams Converter
Convert grams to milligrams. Enter a value to update the result.
How the calculation works
Milligrams = Grams × 1000.
Worked example
With grams 1 g, milligrams is 1,000 mg.
Assumptions and limits
Ounces and pounds are avoirdupois mass; metric tons are1000kg.