passenger mile

passenger mile (plural passenger miles)

1. A basic unit used by transport companies for calculating profit levels etc. It is calculated by multiplying total distance travelled in a given period by the number of passengers.
   • 2019 October, Roger Ford, “Class 365 fleet state-owned”, in Modern Railways, page 34:

     Remember, in 1993 BR was fighting its way through a recession which would see passenger miles fall to the lowest level since Bob Reid launched the business-led railway.

• passenger mileage

• passenger kilometer