Type the current & final gear ratio, the wheel & tire dimensions and the RPM...and find the speed in kmh/mph/knots!!!
Updated on
21 Oct 2023
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Ratings and reviews
phone_androidPhone
2.3
51 reviews
5
4
3
2
1
Christopher Nuckolls
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5 February 2021
Simple and intuitive. It doesn't get any easier to calculate gearing than this!
3 people found this review helpful
Spyros Nas
8 February 2021
Thank you so much for your feedback!!
Eric Trammell
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24 April 2024
Just downloaded....never could get it to open.
Frank Sandlin
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30 December 2021
I put in known specs and it said I would be running over a thousand mph . I wish I could .
1 person found this review helpful
Spyros Nas
30 December 2021
Dear user, thanks a lot for your feedback. We are working on the solution of this issue. A new update will come that solves this. Until then you may try to change the decimal character ("." or ",") of the numbers that may cause this issue.
What's new
Calculate the speed of the car depending on the engine's rpm!!