›› Convert millimetre to light minute


millimetre
light-minute

›› More information from the unit converter

How many millimetre in 1 light-minute? The answer is 17987547480000.
We assume you are converting between millimetre and light minute.
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millimetre or light-minute
The SI base unit for length is the metre.
1 metre is equal to 1000 millimetre, or 5.5594015866359E-11 light-minute.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and light minutes.
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›› Definition: Millimeter

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.


›› Definition: Light-minute

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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