How many mm in 1 light-week?
The answer is 1.813144785984E+17.
We assume you are converting between millimetre and light week.
You can view more details on each measurement unit: mm or
light-week
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 5.5152793518213E-15 light-week.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and light weeks.
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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.

››Definition: Light-week

A light-week (also written light week) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one week (seven days of 86,400 seconds each) or 181,314,478,598,400 metres (~181 Tm).

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