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Convert Light-year to Centimeter

1 light-year = 9.4607305e+17 centimeters (ly to cm).

The light-year (ly) and the centimeter (cm) both measure length. A light-year is larger than a centimeter — one light-year contains 9.46073e+17 centimeters. Going the other way, one centimeter is 1.057e-18 light-years. The converter above does this in real time, and the reference chart lists the values that come up most often.

9.4607305e+17

1 ly = 9.4607305e+17 cm

How to convert Light-years to Centimeters

Multiply the light-year value by 9.46073e+17 to get centimeters.

Example: 10 light-years = 9.46073e+18 centimeters.

Light-year to Centimeter Conversion Chart

Light-yearsCentimeters
1 ly9.4607305e+17 cm
2 ly1.8921461e+18 cm
3 ly2.8382191e+18 cm
5 ly4.7303652e+18 cm
10 ly9.4607305e+18 cm
20 ly1.8921461e+19 cm
25 ly2.3651826e+19 cm
50 ly4.7303652e+19 cm
100 ly9.4607305e+19 cm
1000 ly9.4607305e+20 cm

Frequently Asked Questions

How many centimeters are in a light-year?
There are 9.4607305e+17 centimeters in 1 light-year.
How do you convert light-years to centimeters?
Multiply the light-year value by 9.46073e+17 to get centimeters.
What is 5 light-years in centimeters?
5 light-years equals 4.7303652e+18 centimeters.
What is 100 light-years in centimeters?
100 light-years equals 9.4607305e+19 centimeters.
What is 1 centimeter in light-years?
1 centimeter equals 1.0570008e-18 light-years.
Is this light-year to centimeter converter free?
Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.

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