Grams to Micrograms Converter

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

Result: Micrograms

1 g = 1,000,000 mcg
Learn how we calculate this below

Do you want to convert micrograms to grams?

On this page:

Person Icon
By

How to Convert Grams to Micrograms

To convert a measurement in grams to a measurement in micrograms, multiply 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:

micrograms = grams × 1,000,000

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

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

micrograms = (5 g × 1,000,000) = 5,000,000 mcg

How Many Micrograms Are in a Gram?

There are 1,000,000 micrograms in a gram, which is why we use this value in the formula above.

1 g = 1,000,000 mcg

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

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.

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.

Gram to Microgram Conversion Table

Table showing various gram measurements converted to micrograms.
Grams Micrograms
0.000001 g 1 mcg
0.000002 g 2 mcg
0.000003 g 3 mcg
0.000004 g 4 mcg
0.000005 g 5 mcg
0.000006 g 6 mcg
0.000007 g 7 mcg
0.000008 g 8 mcg
0.000009 g 9 mcg
0.0000001 g 0.1 mcg
0.000001 g 1 mcg
0.00001 g 10 mcg
0.0001 g 100 mcg
0.001 g 1,000 mcg
0.01 g 10,000 mcg
0.1 g 100,000 mcg
1 g 1,000,000 mcg

More Gram & Microgram Conversions