## ››Convert light year to centimetre

 light-year cm

How many light-year in 1 cm? The answer is 1.0570008340246E-18.
We assume you are converting between light year and centimetre.
You can view more details on each measurement unit:
light-year or cm
The SI base unit for length is the metre.
1 metre is equal to 1.0570008340246E-16 light-year, or 100 cm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light years and centimetres.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of light-year to cm

1 light-year to cm = 9.4607304725808E+17 cm

2 light-year to cm = 1.8921460945162E+18 cm

3 light-year to cm = 2.8382191417742E+18 cm

4 light-year to cm = 3.7842921890323E+18 cm

5 light-year to cm = 4.7303652362904E+18 cm

6 light-year to cm = 5.6764382835485E+18 cm

7 light-year to cm = 6.6225113308066E+18 cm

8 light-year to cm = 7.5685843780646E+18 cm

9 light-year to cm = 8.5146574253227E+18 cm

10 light-year to cm = 9.4607304725808E+18 cm

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## ››Definition: Light-year

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).

## ››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.

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