How many micromicron in 1 gigametre?
The answer is 1.0E+21.

We assume you are converting between **micromicron** and **gigametre**.

You can view more details on each measurement unit:

micromicron or
gigametre

The SI base unit for **length** is the metre.

1 metre is equal to 1000000000000 micromicron, or 1.0E-9 gigametre.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between micromicrons and gigameters.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from gigametre to micromicron, or enter any two units below:

The SI prefix "micro" represents a factor of
10^{-6}, or in exponential notation, 1E-6.

So 1 micromicron = 10^{-6} microns.

The definition of a micron is as follows:

a metric unit of length equal to one millionth of a meter

A gigametre (American spelling: gigameter, symbol: Gm) is a unit of length equal to 10^9 metres. Its customary equivalent is 621,371 miles.

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