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Engine Horsepower Calculator

Calculate engine horsepower effortlessly with our user-friendly Engine Horsepower Calculator. Input essential parameters to instantly determine your engine's power output.

The Elapsed Time (ET) Method

This method uses the vehicle weight and the elapsed time (ET) to finish a quarter mile (402.3 meters) on the formula of

 Horsepower =  Weight
(ET/5.825)3

The Trap-Speed Method

This method uses the vehicle weight and the speed at which the vehicle finished a quarter mile (402.3 meters) on the formula of

 Horsepower = Weight×( Speed )3
234

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