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How many mm in 1 light-minute?
The answer is 17987547480000.
We assume you are converting between millimetre and light minute.
You can view more details on each measurement unit:
mm or light-minute
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, 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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You can do the reverse unit conversion from light-minute to mm, or enter any two units below:
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 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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