How many megameter in 1 gigametre? The answer is 1000. We assume you are converting between megametre and gigametre. You can view more details on each measurement unit: megameter or gigametre The SI base unit for length is the metre. 1 metre is equal to 1.0E-6 megameter, 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 megameters and gigameters. Type in your own numbers in the form to convert the units!
1 megameter to gigametre = 0.001 gigametre
10 megameter to gigametre = 0.01 gigametre
50 megameter to gigametre = 0.05 gigametre
100 megameter to gigametre = 0.1 gigametre
200 megameter to gigametre = 0.2 gigametre
500 megameter to gigametre = 0.5 gigametre
1000 megameter to gigametre = 1 gigametre
You can do the reverse unit conversion from gigametre to megameter, or enter any two units below:
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.
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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