Light-years to Centimeters
1 ly ≈ 9.461 × 10¹⁷ cm. Edit either value to convert instantly.
Conversion formula
cm = ly × (9.4607304725808 × 10¹⁵) × (100)1 ly ≈ 9.46073 × 10¹⁷ cm
light-year (ly)
A light-year is 9.4607304725808 × 10¹⁵ m: the distance light travels in vacuum in one Julian year of exactly 365.25 days.
Source: International Astronomical Union — Measuring the Universe
centimeter (cm)
One centimeter equals exactly 0.01 m.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| ly | cm |
|---|---|
| ≈ 9.46073 × 10¹⁷ | |
| ≈ 1.89215 × 10¹⁸ | |
| ≈ 4.73037 × 10¹⁸ | |
| ≈ 9.46073 × 10¹⁸ | |
| ≈ 1.41911 × 10¹⁹ | |
| ≈ 1.89215 × 10¹⁹ | |
| ≈ 2.36518 × 10¹⁹ | |
| ≈ 2.83822 × 10¹⁹ | |
| ≈ 3.78429 × 10¹⁹ | |
| ≈ 4.25733 × 10¹⁹ |
| ly | cm |
|---|---|
| ≈ 4.73037 × 10¹⁹ | |
| ≈ 5.67644 × 10¹⁹ | |
| ≈ 6.62251 × 10¹⁹ | |
| ≈ 7.56858 × 10¹⁹ | |
| ≈ 8.51466 × 10¹⁹ | |
| ≈ 9.46073 × 10¹⁹ | |
| ≈ 1.41911 × 10²⁰ | |
| ≈ 1.51372 × 10²⁰ | |
| ≈ 1.60832 × 10²⁰ | |
| ≈ 1.70293 × 10²⁰ |
Frequently asked questions
How many centimeters are in 1 light-year?
1 ly ≈ 9.461 × 10¹⁷ cm. cm = ly × (9.4607304725808 × 10¹⁵) × (100)
How do I convert ly to cm?
cm = ly × (9.4607304725808 × 10¹⁵) × (100)
Is 1 light-year bigger than 1 centimeter?
1 ly ≈ 9.461 × 10¹⁷ cm.
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