Grams to Milligrams Conversion

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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.

W_mg = W_g × 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:

Grams	Milligrams
1 g	1000 mg
2 g	2000 mg
3 g	3000 mg
4 g	4000 mg
5 g	5000 mg
6 g	6000 mg
7 g	7000 mg
8 g	8000 mg
9 g	9000 mg
10 g	10000 mg