Grams to Milligrams Converter

Common

Kilograms, pounds, ounces, stones and more.

How to convert Grams to Milligrams

Multiply the grams value by 1,000: 1 g = 1,000 mg. Going the other way, 1 mg = 0.001 g, so divide by 1,000 or use the Milligrams to Grams converter.

About these units

Grams (g)

A gram is one thousandth of a kilogram, roughly the mass of a paperclip. Recipes, nutrition labels and postage are commonly measured in grams.

Milligrams (mg)

A milligram is one thousandth of a gram. Medication doses and vitamin contents are usually stated in milligrams.

Grams to Milligrams conversion table

Grams (g)Milligrams (mg)
1 g1,000 mg
2 g2,000 mg
3 g3,000 mg
4 g4,000 mg
5 g5,000 mg
10 g10,000 mg
20 g20,000 mg
25 g25,000 mg
50 g50,000 mg
100 g100,000 mg
500 g500,000 mg
1,000 g1e+6 mg

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