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How many mm in 1 light-hour?
The answer is 1.0792528488E+15.
We assume you are converting between millimetre and light hour.
You can view more details on each measurement unit:
mm or light-hour
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 9.2656693110598E-13 light-hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and light hours.
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You can do the reverse unit conversion from light-hour 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-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).
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