- a foot-pound-second unit of power, equivalent to 550 foot-pounds per second, or 745.7 watts.
- the capacity to achieve or produce; strength or talent: The university's history faculty is noted for its intellectual horsepower.
- an fps unit of power, equal to 550 foot-pounds per second (equivalent to 745.7 watts)
- a US standard unit of power, equal to 746 watts
