## ››Convert centimetre to gigalight year

 cm gigalight-year

How many cm in 1 gigalight-year? The answer is 9.454254955488E+26.
We assume you are converting between centimetre and gigalight year.
You can view more details on each measurement unit:
cm or gigalight-year
The SI base unit for length is the metre.
1 metre is equal to 100 cm, or 1.0577248071986E-25 gigalight-year.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between centimetres and gigalight years.
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## ››Definition: Centimeter

A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. A centimetre is part of a metric system. It is the base unit in the centimetre-gram-second system of units. A corresponding unit of area is the square centimetre. A corresponding unit of volume is the cubic centimetre.

The centimetre is a now a non-standard factor, in that factors of 103 are often preferred. However, it is practical unit of length for many everyday measurements. A centimetre is approximately the width of the fingernail of an adult person.

## ››Definition: Gigalight-year

One gigalight-year, abbreviation "Gly", is one billion light-years — one of the largest distance measures used. One gigalight-year equals 306.601 million parsecs, or roughly one-thirteenth the distance to the horizon of the observable universe (dictated by the cosmic background radiation). Gigalight-years are typically used to measure distances to supergalactic structures, such as clusters of quasars or the Great Wall.

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