How to convert Didot point to Light-second

Conversion factor and calculation steps from Didot point (dd) to Light-second (ls).

Conversion logic

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 dd = 0.000376065 m

1 ls = 299792458 m

1 dd × 0.000376065 = 0.000376065 m

0.000376065 m ÷ 299792458 = 1.25441781e-12 ls