This 1/4 mile calculator uses flywheel kilowatt and the weight of the vehicle in kilograms to determine the elapsed time and trap speed.
| variable | description |
| flywheel horsepower | kilowatt available at the flywheel |
| weight | total ready to run weight of vehicle including driver |
| elapsed time (ET) | time to run the full length of the quarter mile |
| speed | trap speed at the end of the quarter mile |
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