How many millilight second in 1 light-week? The answer is 604800000. We assume you are converting between millilight second and light week. You can view more details on each measurement unit: millilight second or light-week The SI base unit for length is the metre. 1 metre is equal to 3.3356409519815E-6 millilight second, 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 millilight seconds and light weeks. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from light-week to millilight second, or enter any two units below:
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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