Light Years to Meters Converter
Convert light years (ly) to meters (m)
Result
9.4607305 × 10¹⁵ m
Meters
1 ly = 9.4607305 × 10¹⁵ m
1 ly in other units
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How to convert light years to meters
One light year equals 9.46073 × 10¹⁵ meters, so multiply the number of light years by 9.46073 × 10¹⁵.
m = ly × 9.46073 × 10¹⁵
1 ly = 9.46073 × 10¹⁵ m · 1 m = 1.057001 × 10⁻¹⁶ ly
Worked example
To convert 5 light years to meters: 5 ly × 9.46073 × 10¹⁵ = 4.730365 × 10¹⁶ m.
About light years (ly)
A light year is the distance light travels in one Julian year, about 9.46 trillion km. It is used for distances between stars.
About meters (m)
The meter (metre) is the SI base unit of length, defined by the distance light travels in 1/299,792,458 of a second.
More conversions
Light Years to other units
Frequently asked questions
How many meters are in one light year?
One light year equals 9.46073 × 10¹⁵ meters.
How many light years are in one meter?
One meter equals 1.057001 × 10⁻¹⁶ light years.
How do I convert light years to meters?
Use the formula m = ly × 9.46073 × 10¹⁵. For example, 5 ly × 9.46073 × 10¹⁵ = 4.730365 × 10¹⁶ m.