Online calculator for changes in horsepower performance of automobile engines

App Description

The horsepower of a car engine increases with the increase of engine speed, and then begins to decrease after reaching its peak, showing an overall inverted U-shaped curve.

Usage example

Vehicle weight: 5 pounds

Modify the first quarter mile time (ET1): 1 hour

Modified quarter mile time (ET2): 2 hours

Click to calculate

Change in horsepower: -1.8534e-8 horsepower