Grams to Milligrams Converter

To convert a measurement in grams to milligrams, multiply the value by 1,000. The conversion factor comes from the relationship between both units and the kilogram.

For example, to convert 5 g to milligrams: 5 × 1,000 = 5,000 mg.

A gram is a metric unit of mass equal to one thousandth of a kilogram (0.001 kg) or about 0.035 ounces. Defined in 1795 as the mass of one cubic centimeter of water at the temperature of melting ice. The gram is the base for many everyday metric masses and the reference point for nutritional labeling worldwide.

Common uses of grams include: Cooking and recipe ingredient quantities; Nutrition labels and food portions; Postage and small parcel weight; Jewelry and precious metal weighing.

A milligram is a metric unit of mass equal to one thousandth of a gram (0.001 g) or one millionth of a kilogram. Part of the original metric system, the milligram derives from the Latin 'mille' (thousand). It became indispensable in pharmacy and medicine, where drug doses are almost always expressed in milligrams.

Common uses of milligrams include: Medication and supplement dosages; Nutrient amounts on nutrition labels (sodium, vitamins); Laboratory chemistry and analytical work; Gunpowder and reloading measurements.

Here are some common values converted:

1 g = 1,000 mg 5 g = 5,000 mg 10 g = 10,000 mg 50 g = 50,000 mg 100 g = 100,000 mg