Light-second to Light-year
Light-second (ls)
Light-year (ly)
How it is calculated
Each unit is defined via the base unit (meter (m)). The value is first converted to the base unit, then to the selected unit.
1 ls = 299792458 m
1 ly = 9.46073047e15 m
1 ls × 299792458 = 299792458 m
299792458 m ÷ 9.46073047e15 = 3.16880878e-8 ly