How many zettametre in 1 light-year? The answer is 9.4607304725808E-6. We assume you are converting between zettametre and light year. You can view more details on each measurement unit: zettametre or light-year The SI base unit for length is the metre. 1 metre is equal to 1.0E-21 zettametre, or 1.0570008340246E-16 light-year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between zettameters and light years. Type in your own numbers in the form to convert the units!
1 zettametre to light-year = 105700.0834 light-year
2 zettametre to light-year = 211400.1668 light-year
3 zettametre to light-year = 317100.25021 light-year
4 zettametre to light-year = 422800.33361 light-year
5 zettametre to light-year = 528500.41701 light-year
6 zettametre to light-year = 634200.50041 light-year
7 zettametre to light-year = 739900.58382 light-year
8 zettametre to light-year = 845600.66722 light-year
9 zettametre to light-year = 951300.75062 light-year
10 zettametre to light-year = 1057000.83402 light-year
You can do the reverse unit conversion from light-year to zettametre, or enter any two units below:
The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.
So 1 zettametre = 1021 metre.
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
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