Milligram To Gram Conversion Chart

Milligram (mg) Gram (g)
0.01 mg0.00001 g
0.1 mg0.0001 g
1 mg0.001 g
2 mg0.002 g
5 mg0.005 g
10 mg0.01 g
20 mg0.02 g
50 mg0.05 g
100 mg0.1 g
500 mg0.5 g
1000 mg1 g

Convert from milligram to gram formula

Total gram = Total milligram x 0.001

For example, if you want to convert 500 Milligram to Gram then,

500 mg = 500 x 0.001 = 0.5 g

Convert from gram to milligram formula

Total milligram =
Total gram
0.5 g
= 500 mg


A unit of measurement of mass in the metric system equal to a thousandth of a gram, and equivalent to 0.0154 grain.


Gram (g), also spelled gramme, unit of mass or weight that is used especially in the centimetre-gram-second system of measurement. One gram is equal to 0.001 kg. The official International System of Units abbreviation is g, but gm has also been used.