Milligrams to grams 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
1 Gram = 1000 Milligrams (mg)
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, that makes 250 mg * 0.001 = 0.25 gram in 250 mg.
Milligram is a unit of mass in metric system and it is mostly used in medicine. 1 Milligram (mg) is equal to 0.001 gram. The abbreviation is "mg".
Gram is a metric system unit of mass. 1 Gram is equal to 1000 milligrams (mg). The abbreviation is "g".