Convert Milligrams to Grams

Enter the weight in milligrams below to get the value converted to grams.

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1 mg = 0.001 g
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How to Convert Milligrams to Grams

conversion scale showing milligrams and equivalent grams weight values

To convert a milligram measurement to a gram measurement, divide the weight by the conversion ratio. One gram is equal to 1,000 milligrams, so use this simple formula to convert:

grams = milligrams ÷ 1,000

The weight in grams is equal to the milligrams divided by 1,000.

For example, here's how to convert 5,000 milligrams to grams using the formula above.
5,000 mg = (5,000 ÷ 1,000) = 5 g

Milligrams and grams are both units used to measure weight. Keep reading to learn more about each unit of measure.

Milligrams

The milligram is the mass equal to 1/1,000 of a gram, or 0.0154 grains.

The milligram, or milligramme, is an SI unit of weight in the metric system. In the metric system, "milli" is the prefix for 10-3. Milligrams can be abbreviated as mg, for example 1 milligram can be written as 1 mg.

Grams

A gram is the mass/weight equal to 1/1,000 of a kilogram, and is roughly equal to the mass of one cubic centimeter of water.

The gram, or gramme, is an SI unit of weight in the metric system. Grams can be abbreviated as g, for example 1 gram can be written as 1 g.

Milligram to Gram Conversion Table

Milligram measurements converted to grams
Milligrams Grams
1 mg 0.001 g
2 mg 0.002 g
3 mg 0.003 g
4 mg 0.004 g
5 mg 0.005 g
6 mg 0.006 g
7 mg 0.007 g
8 mg 0.008 g
9 mg 0.009 g
10 mg 0.01 g
20 mg 0.02 g
30 mg 0.03 g
40 mg 0.04 g
50 mg 0.05 g
60 mg 0.06 g
70 mg 0.07 g
80 mg 0.08 g
90 mg 0.09 g
100 mg 0.1 g
200 mg 0.2 g
300 mg 0.3 g
400 mg 0.4 g
500 mg 0.5 g
600 mg 0.6 g
700 mg 0.7 g
800 mg 0.8 g
900 mg 0.9 g
1,000 mg 1 g