Horsepower - hour ( unit symbol: hph ) is not permissible in the SI unit of energy. She describes metaphorically speaking the work that is to accomplish a horse in an hour capability ( the performance of a horse over the time period of one hour integrated). Due to some differences in the definition of one horsepower the horsepower - hour is not exactly with the horsepower hour earlier also used in the German language (abbreviated hp-hr ) is consistent.

1 hph = 1.014 hp-hr = 0.7457 kWh

  • Anglo-American unity
  • Unit of energy