How many gigameter in 1 megametre?
The answer is 0.001.
We assume you are converting between gigametre and megametre.
You can view more details on each measurement unit: gigameter or
megametre
The SI base unit for length is the metre.
1 metre is equal to 1.0E-9 gigameter, or 1.0E-6 megametre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigameters and megameters.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of gigameter to megametre

1 gigameter to megametre = 1000 megametre

2 gigameter to megametre = 2000 megametre

3 gigameter to megametre = 3000 megametre

4 gigameter to megametre = 4000 megametre

5 gigameter to megametre = 5000 megametre

6 gigameter to megametre = 6000 megametre

7 gigameter to megametre = 7000 megametre

8 gigameter to megametre = 8000 megametre

9 gigameter to megametre = 9000 megametre

10 gigameter to megametre = 10000 megametre

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megametre to gigameter, or enter any two units below:

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

››Definition: Megameter

A megametre (American spelling: megameter, symbol: Mm) is a unit of length equal to 10^6 metres (from the Greek words megas = big and metro = count/measure). Its customary equivalent is 621.37 miles.

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