Engine Horsepower Calculator is a free online tool that displays the engine horsepower of a vehicle when the weight and speed of the vehicle are given. BYJU’S online engine horsepower calculator tool performs the calculation faster and it displays the engine horsepower in a fraction of seconds.
How to Use the Engine Horsepower Calculator?
The procedure to use the engine horsepower calculator is as follows:
Step 1: Enter the weight and speed of the vehicle, and x for the unknown in the input field
Step 2: Now click the button “Calculate x” to get the engine horsepower
Step 3: Finally, the engine horsepower of the vehicle will be displayed in the output field
What is Meant by Engine Horsepower?
In Physics, horsepower is a measurement unit to calculate the power. The engine horsepower is defined as the power produced by the engine. It is generally measured using the instrument called a dynamometer. Mathematically, one horsepower is defined as the power needed to move 550 pounds one foot per unit second. In other words, it is defined as the rate at which the work is done. The horsepower formula of the engine can be determined using the following two methods:
- Trap-speed method
- Elapsed Time method
Trap Speed Method:
If the speed and the velocity of the vehicle are given, the engine horsepower is calculated by using the formula:
Engine Horsepower = Weight × (Speed/234)3
Here, the speed value given should be the speed of the vehicle at the quarter-mile point. It is noted that it is not average speed.
Elapsed Time Method:
If the weight and the elapsed time of the vehicle to finish the quarter-mile are given, then the formula is
Engine Horsepower = Weight /[(Elapsed Time/5.825)]3
Similarly, if the torque and the speed of the vehicle are given, then the formula is
Horsepower = (Torque × Speed)/5252
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