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Milligram (mg)

The milligram is a unit of weight, used for pharmaceutical dosing, nutritional supplements, and chemical analysis. Its symbol is mg.

mg
-lb

1 milligram equals

Pounds0.00000220462 lb
Kilograms0.000001 kg
Ounces0.000035274 oz
Grams0.001 g

About the milligram

The milligram became essential with the development of pharmaceutical science in the 19th century, enabling precise drug dosing.

In everyday use the milligram appears in pharmaceutical dosing, nutritional supplements, and chemical analysis. As a point of reference: a typical aspirin tablet contains 325 milligrams of active ingredient.

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