Discover the ideal gear ratio effortlessly with Strange Engineering’s Gear Ratio Calculator. This user-friendly tool lets you quickly determine the right gear ratio for your ring-and-pinion setup, saving you time and avoiding the guesswork. Just select the values you want to solve, enter your tire diameter in inches, and let the calculator do the work. If you already know your gear ratio, use it as a Vehicle Speed Calculator to see your speed at different RPMs. Simply input your details, press "calculate," and get precise results in seconds.