Enter any number of milligrams into the calculator to convert to a percentage of grams.

MG to Percentage Formula

The following formula is used to calculate the percentage of grams from milligrams.

g = mg/10
  • Where %g is the percentage of grams
  • mg is the total milligrams

To calculate the percentage of grams from milligrams, divide the total milligrams by 10.

MG to Percentage Definition

Converting milligrams to percentage grams involves converting milligrams first to grams, then to a percentage.

MG to Percentage Example

How to convert mg to percentage?

  1. First, determine the mg.

    Measure the total milligrams of substance.

  2. Next, convert this to grams.

    Convert milligrams to grams by dividing by 1000.

  3. Finally, calculate the percentage.

    Calculate the percentage grams by multiplying the grams from step 2 by 100.


What is a milligram?

A milligram is defined as the unit of mass equal to 1/1000th of a gram.