RacingDiffs

Calculate precise top speeds based on your transmission and differential gear ratios

This tool delivers accurate top speed estimates tailored to your vehicle's transmission and differential gear ratios. Discover the maximum speed achievable for each gear.

Required input parameters include:

Tire size

Transmission gear ratios

Final drive ratio

RPM limit

Toggle between kph and mph units.

Essential for motorsport enthusiasts, this app helps optimize gear ratios for specific tracks by balancing top speed and acceleration - critical factors for drag racers and circuit competitors alike.

New Features in Version 1.3

Last updated on Oct 12, 2024

Performance improvements