Convert Centimeter to Light Year
Use this free converter to change centimeters (cm) into light years (ly). Centimeter and light year both measure length. As a quick reference, 1 cm equals 1.0570e-18 ly, and 1 ly equals 9.4607e+17 cm.
Free · runs in your browser · no sign-up
Light Year (ly)
1.0570e-18
1 cm = 1.0570e-18 ly
Length conversion table
| Centimeter | Light Year |
|---|---|
| 0.01 | 1.0570e-20 |
| 0.1 | 1.0570e-19 |
| 0.5 | 5.2850e-19 |
| 1 | 1.0570e-18 |
| 2 | 2.1140e-18 |
| 3 | 3.1710e-18 |
| 5 | 5.2850e-18 |
| 10 | 1.0570e-17 |
| 20 | 2.1140e-17 |
| 25 | 2.6425e-17 |
| 50 | 5.2850e-17 |
| 100 | 1.0570e-16 |
| 1,000 | 1.0570e-15 |
How to convert Centimeter to Light Year
Multiply the centimeter value by 1.0570e-18 to get light years.
- Enter the number of centimeters you want to convert.
- The converter instantly shows the equivalent value in light years.
- Worked example: 15 cm × 1.0570e-18 = 1.5855e-17 ly.
- Use the swap button to reverse the conversion (light year to centimeter).
About these units
Centimeter (cm)
- Definition
- A centimeter (cm) is one hundredth of a meter, a convenient metric unit for everyday measurements like height and paper sizes.
- History
- It dates from the original metric system and uses the SI prefix "centi-" (one hundredth).
- Current use
- Centimeters are used for body measurements, rainfall, screen and print dimensions, and school maths across the metric world.
Light Year (ly)
- Definition
- A light-year (ly) is the distance light travels in one year in a vacuum, about 9.46 trillion kilometers.
- History
- The concept arose in the 19th century as astronomers sought an intuitive way to express the vast distances between stars.
- Current use
- Light-years express distances to stars and galaxies in astronomy and popular science.
Frequently asked questions
How many light years are in a centimeter?
There are 1.0570e-18 ly in 1 cm. To convert, multiply the number of centimeters by 1.0570e-18.
How do I convert centimeters to light years?
Multiply the centimeter value by 1.0570e-18 to get light years. For example, 10 cm = 1.0570e-17 ly.
Is this centimeter-to-light year converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Centimeter to other length units
| Unit | 1 Centimeter equals |
|---|---|
| Meter (m) | 0.01 m |
| Kilometer (km) | 0.00001 km |
| Millimeter (mm) | 10 mm |
| Micrometer (µm) | 10000 µm |
| Nanometer (nm) | 10000000 nm |
| Mile (mi) | 0.0000062137119 mi |
| Yard (yd) | 0.010936133 yd |
| Foot (ft) | 0.032808399 ft |
| Inch (in) | 0.39370079 in |
| Nautical Mile (nmi) | 0.000005399568 nmi |
| Light Year (ly) | 1.0570e-18 ly |