Kilometers to Light Years
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km
ly
Quick reference
| Kilometers (km) | Light Years (ly) |
|---|
Formula
Light Years = kilometers ÷ 9461000000000
Multiply the kilometers value by 1.0569707219110031e-13 to get light years. To reverse — divide light years by 1.0569707219110031e-13 to get kilometers.
About this conversion
The kilometer (km) is a metric unit equal to 1,000 meters, used worldwide for road distances. Learn more →
A light year (ly) is the distance light travels in one year — approximately 9.461 trillion kilometers, used in astronomy. Learn more →
Source: NIST International Reference