How many millimetre in 1 gigametre?
The answer is 1000000000000.
We assume you are converting between millimetre and gigametre.
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millimetre or gigametre
The SI base unit for length is the metre.
1 metre is equal to 1000 millimetre, 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 millimetres and gigameters.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from gigametre to millimetre, or enter any two units below:
millimetre to meile
millimetre to milla
millimetre to parasang
millimetre to fingerbreadth
millimetre to rod
millimetre to range
millimetre to chinese mile
millimetre to reed
millimetre to ligne
millimetre to angstrom
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.
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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