Micrograms to Grams Converter

Enter the weight in micrograms below to convert it to grams.

Result: Grams

1 mcg = 1.0E-6 g
Hint: use a scientific notation calculator to convert E notation to decimal
Learn how we calculate this below

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How to Convert Micrograms to Grams

To convert a measurement in micrograms to a measurement in grams, divide the weight by the following conversion ratio: 1,000,000 micrograms/gram.

Since one gram is equal to 1,000,000 micrograms, you can use this simple formula to convert:

grams = micrograms ÷ 1,000,000

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

For example, here's how to convert 5,000,000 micrograms to grams using the formula above.

grams = (5,000,000 mcg ÷ 1,000,000) = 5 g

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

What Is a Microgram?

The microgram is a unit of mass equal to 1/1,000,000 of a gram, and is commonly used to measure small quantities of medication dosages, vitamins, and supplements.

The microgram, or microgramme, is an SI unit of weight in the metric system. In the metric system, "micro" is the prefix for millionths, or 10-6. Micrograms can be abbreviated as mcg, and are also sometimes abbreviated as μg. For example, 1 microgram can be written as 1 mcg or 1 μg.

Learn more about micrograms.

What Is a Gram?

A gram is a unit of mass equal to 1/1,000 of a kilogram or 0.035274 ounces, and is equivalent to the mass of one cubic centimeter, or one milliliter, 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.

Learn more about grams.

Microgram to Gram Conversion Table

Table showing various microgram measurements converted to grams.
Micrograms Grams
1 mcg 0.000001 g
2 mcg 0.000002 g
3 mcg 0.000003 g
4 mcg 0.000004 g
5 mcg 0.000005 g
6 mcg 0.000006 g
7 mcg 0.000007 g
8 mcg 0.000008 g
9 mcg 0.000009 g
10 mcg 0.00001 g
100 mcg 0.0001 g
1,000 mcg 0.001 g
10,000 mcg 0.01 g
100,000 mcg 0.1 g
1,000,000 mcg 1 g

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