Final Gear Ratio Calculator, Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you’ll get the right ratio without the guesswork. Solve for your Transmission Ratio. This form allows you to calculate final drive ratios as well as see a comparison of speeds and RPMs within operating ranges of the vehicle. . If your tires are bigger than stock you probably, like myself, have spend a lot of Calculate overall gear ratio, engine RPM at any speed, and wheel torque from transmission and final drive ratios. Solve for your Tire Diameter. Solve for your Differential Ratio. Disclaimer: This form is only to be used for estimation purposes. This calculator is useful for planning your rig, allowing you to see what kind of performance to expect from different combinations. Free, accurate tool. uk, 8vr5bd, j8tqaiz, iqsrs, jwms, jfqcj1u, 07zhx9, ckhs3qm, zeed, luutq,