UnitCalcPro

Grams to Milligrams Converter

Convert g to mg instantly. 1 g = 1,000 mg.

1,000

Conversion Formula

mg = g × 1,000

Example

25 g × 1,000 = 25,000 mg

Convert the other way: Milligrams to Grams →

Grams to Milligrams Conversion Table

Grams (g)Milligrams (mg)
0.1100
0.5500
11,000
22,000
55,000
1010,000
2020,000
2525,000
5050,000
100100,000
500500,000
1,0001,000,000

About These Units

Grams (g)
One thousandth of a kilogram, originally tied to the mass of a cubic centimeter of water. Grams are the working unit for kitchen scales, nutrition labels, letter postage, and jewelry.
Milligrams (mg)
One thousandth of a gram, or one millionth of a kilogram. Milligrams are used for medicine doses, vitamin and mineral labels, and the sodium and caffeine content printed on food packaging.

Frequently Asked Questions

How many mg are in 1 g?
1 g equals 1,000 mg.
How do I convert Grams to Milligrams?
Multiply your Grams value by 1,000. For example, 25 g × 1,000 = 25,000 mg.
How many g are in 1 mg?
1 mg equals 0.001 g.

Convert Grams to Other Units

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