How many light-week in 1 zettameter? The answer is 5515279.3518213. We assume you are converting between light week and zettametre. You can view more details on each measurement unit: light-week or zettameter The SI base unit for length is the metre. 1 metre is equal to 5.5152793518213E-15 light-week, or 1.0E-21 zettameter. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light weeks and zettameters. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from zettameter to light-week, 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).
The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.
So 1 zettametre = 1021 metre.
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