How many megametre in 1 light minute?
The answer is 17987.54748.

We assume you are converting between **megametre** and **light minute**.

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

1 metre is equal to 1.0E-6 megametre, or 5.55940158664E-11 light minute.

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

Use this page to learn how to convert between megameters and light minutes.

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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.

A light-minute (also written light minute) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one minute or 17,987,547,480 metres (~18 Gm). Note that this value is exact, since the metre is actually defined in terms of the light-second.

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