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 1.0E+12 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.

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

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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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