PSL

PSL stands for Percentage of the Speed of Light and is a Commonwealth unit of measurement for sublight speeds of spaceships.

Conversion examples

20 PSL = 5,00584916·10⁷ m/s = 2,15850·10⁸ km/h = 1,34043·10⁸ mi/h
50 PSL = 1,49896229·10⁸ m/s = 5,39625·10⁸ km/h = 3,35104·10⁸ mi/h
85 PSL = 2,54823589·10⁸ m/s = 9,17365·10⁸ km/h = 5,69680·10⁸ mi/h

Speed range of known ship types

Ship type	Speed
Transport ship	20-30 PSL
Warship	30-50 PSL
Fighter	40-75 PSL
Defensive missiles	60-70 PSL
Offensive missiles	85-95 PSL