g
mg

How to convert grams to milligrams

1 gram is equal to 1000 milligrams:

1 g = 1000 mg

When a weight W in grams is multiplied by 1000, it gives weight in milligrams.

Wmg = Wg × 1000


Example

To convert 5 grams into milligrams, it is multiplied by 1000:

(5 g) × 1000 = 5000 mg

Grams

A gram or gramme is a unit of mass in the metric system. One gram used to be defined as the mass of one cubic centimeter of pure water at 3.98 degrees Celsius. The symbol of meter is g. One gram is defined as 1/1000 of a kilogram.

Milligrams

A milligram is a unit of mass in the metric system. The symbol of meter is mg. One milligram is defined as one-millionth of a kilogram.

Quick Conversion Table

The quick gram to milligram conversion table is given below:

GramsMilligrams
1 g1000 mg
2 g2000 mg
3 g3000 mg
4 g4000 mg
5 g5000 mg
6 g6000 mg
7 g7000 mg
8 g8000 mg
9 g9000 mg
10 g10000 mg