Convert light years (ly) to planck lengths (ℓP) with formulas, examples, and conversion tables.
How to Convert light years to planck lengths
To convert light years to planck lengths, multiply the value by 5.85365551847e50.
The Formula
planck lengths = light years × 5.85365551847e50
Key Fact
1 light year = 5.85365551847e50 planck lengths
Tip: To convert planck lengths back to light years, divide by 5.85365551847e50.
About Light Years and Planck Lengths
What is a Light Year?
The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.
What is a Planck Length?
The planck length (ℓP) is a unit of length in the scientific system. One planck length equals 1.616255e-35 meters.