Horsepower hour

Physical unit
Unit name	Horsepower hour
Unit symbol	${\displaystyle \mathrm {hph} }$
Physical quantity (s)	energy
Formula symbol	${\displaystyle W\,E}$
dimension	${\displaystyle {\mathsf {M\;L^{2}\;T^{-2}}}}$
system	Anglo-American system of measurement
In SI units	${\displaystyle \mathrm {1\,hph=2{,}684\,520MJ} }$
In CGS units	${\displaystyle \mathrm {1\,hph=1\,{PS}\cdot 1\,{h}} }$
Derived from	Horsepower , hour

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Horsepower-hour ( unit symbol : hph ) is a unit of energy that is not permitted in the SI . She describes pictorially speaking, the work , which is capable of accomplishing a horse in one hour (the performance of a horse over the time period of one hour integrated ). Because of certain differences in the definition of a horsepower , the true horsepower-hour not exactly with the previously used in German-speaking horsepower hour (abbreviated PSh) match.

1 hph = 1.014 PSh = 0.7457 kWh