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calibre | to |
megametre millimetre |

How many calibre in 1 Mm?
The answer is 39370078.7402.

We assume you are converting between **caliber** and **megametre**.

You can view more details on each measurement unit:

calibre or
Mm

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

1 metre is equal to 39.3700787402 calibre, or 1.0E-6 Mm.

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

Use this page to learn how to convert between caliber and megameters.

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

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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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