How many millimetre 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:
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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You can do the reverse unit conversion from light-minute to millimetre, or enter any two units below:
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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.
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!