Type the current or all & final gear ratio, the wheel & tire dimensions. Find the speed in kmh/mph/knots in whichever RPM.
Updated on
28 Oct 2024
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Ratings and reviews
phone_androidPhone
2.6
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!!
Nicholas Bailey
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29 October 2024
This won't even launch 🤣 I just installed the latest version as of 10/29/2024 & it still doesn't launch.
1 person found this review helpful
Spyros Nas
29 October 2024
Hi, thank you for your comment. Please try the latest update of the app to fix this problem.
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 .
2 people 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.