Milligrams to Grams Conversion

To convert between milligrams (mg) and grams, enter a milligram or a gram value into the converter and the result will be displayed.

Enter Milligram (mg)
Enter Gram

Milligrams to grams (mg to g) mass units conversion factor is 0.001. To find out how many grams in milligrams, multiply the milligram value by 0.001 (or divide by 1000).

1 Milligram = 0.001 Gram

In metric system, the prefix "milli" means "one thousandth of", that makes easier to remember how to convert from milligrams to grams, because if you replace the "milli" with "1000" in word "milligram", 1 milligram means 1000th of a gram (or 1 gram = 1000 milligrams).

For example, to find out how many grams in 250 milligrams, multiply the milligram value by the conversion factor, 250 mg * 0.001 (g in 1 mg) = 0.25 (1/4) gram in 250 mg.

Milligram is a unit of mass in metric system and it is mostly used in medicine. There are 28349.5 mg in an ounce. The abbreviation for milligram is "mg".

Gram is a metric system unit of mass. It is one thousandth (1/1000) of the kilogram that is the metric system base unit. There is 1 milliliter (mL) in 1 gram of water. The abbreviation of gram is "g".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.