Kilometer to Light-day
Kilometer (km)
Light-day (ld)
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 km = 1000 m
1 ld = 2.59020684e13 m
1 km × 1000 = 1000 m
1000 m ÷ 2.59020684e13 = 3.86069555e-11 ld