Centimeters to Light Years Converter
Convert centimeters (cm) to light years (ly)
Result
1 cm = 1.0570008 × 10⁻¹⁸ ly
1 cm in other units
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How to convert centimeters to light years
There are 9.46073 × 10¹⁷ centimeters in one light year, so divide the number of centimeters by 9.46073 × 10¹⁷.
ly = cm ÷ 9.46073 × 10¹⁷
1 cm = 1.057001 × 10⁻¹⁸ ly · 1 ly = 9.46073 × 10¹⁷ cm
Worked example
To convert 5 centimeters to light years: 5 cm ÷ 9.46073 × 10¹⁷ = 5.285004 × 10⁻¹⁸ ly.
About centimeters (cm)
A centimeter is one hundredth of a metre. It is the everyday unit for body height and small objects in most of the world.
About light years (ly)
A light year is the distance light travels in one Julian year, about 9.46 trillion km. It is used for distances between stars.
More conversions
Centimeters to other units
Frequently asked questions
How many light years are in one centimeter?
One centimeter equals 1.057001 × 10⁻¹⁸ light years.
How many centimeters are in one light year?
One light year equals 9.46073 × 10¹⁷ centimeters.
How do I convert centimeters to light years?
Use the formula ly = cm ÷ 9.46073 × 10¹⁷. For example, 5 cm ÷ 9.46073 × 10¹⁷ = 5.285004 × 10⁻¹⁸ ly.