LENGTH CONVERSION
Light-year to Centimeter.
Convert light-year (ly) to centimeter (cm), with the math explained.
1 ly = 9.460730473e17 cm
THE MATH, MADE SIMPLE
How to convert light-year to centimeter
Multiply your light-year value by 9.46073047258e17 to get the equivalent in centimeter. Both units are normalized through the meter.
cm = ly × 9.460730473e1710 ly = 9.46073047258e18 cm
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
ly to cm conversion table
| Light-year (ly) | Centimeter (cm) |
|---|---|
| 1 ly | 9.46073047258e17 cm |
| 2 ly | 1.89214609452e18 cm |
| 5 ly | 4.73036523629e18 cm |
| 10 ly | 9.46073047258e18 cm |
| 20 ly | 1.89214609452e19 cm |
| 50 ly | 4.73036523629e19 cm |
| 100 ly | 9.46073047258e19 cm |
| 500 ly | 4.73036523629e20 cm |
| 1,000 ly | 9.46073047258e20 cm |
About the light-year
The light-year (ly) is a unit of length. One light-year equals 9.46073047258e15 meter (base unit) in this calculator.
All light-year conversionsAbout the centimeter
The centimeter (cm) is a unit of length. One centimeter equals 0.01 meter (base unit) in this calculator.
All centimeter conversionsCommon questions
What is 1 ly in cm?
One light-year equals 9.46073047258e17 cm. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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