Calculator solves various equations related to horsepower

Engine Calculator Related to Horsepower

Use this calculator to solve various equations related to horsepower. Solve for horsepower, torque, power to weight ratio, and revolutions per minute (rpm). Determine engine and motor performance using the ET and trap-speed methods. Calculate changes in horsepower when after-market or performance parts have been added to a vehicle. Determine dyno correction factor. Correct horsepower for normally aspirated internal combustion engines to a standard humidity, pressure and temperature after a dynamometer measurement.

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Unit Unit Type Unit Used Description

vehicle weight mass pound (lb) The weight of the car, truck or automobile including the driver, passenger and accessories.

elapsed time time second (s) The time it takes to complete a quarter mile run. How long it take to go from start to finish.

horsepower power horsepower (hp) The amount of power the engine is capable of producing.

07/21/08