Speedometer Gear Ratio Calculator, Free calculator with preset configs.

Speedometer Gear Ratio Calculator, Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. If you dont know your tire diameter, calculate it below using the P-metric sidewall designation. Browse tires by size, vehicle, or brand and compare prices online all in one place. Request yours to be added as well. xlsx Speedometer Gear Speedometer and Odometer Accuracy Your speedometer and odometer count tire rotations and convert them to speed and distance using the factory revolutions-per-mile assumption. Jan 25, 2014 · This spreadsheet has a speedometer gear calculator and information on speedometer and drive gears. The calculator multiplies your current top speed by the new-over-old diameter ratio. Here is a list of common transmissions with their drive and driven gear teeth numbers Calculate the correct speedometer gear size for your vehicle. # of Drive Teeth: Axle Ratio: Tire Diameter: # of Driven Teeth: Speedometer Gear Calculator Enter your tire size Tire diameter may vary slightly depending on the manufacturer. This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line! Apr 11, 2026 · Calculate gear ratio speedometer correction instantly. gtk81p, flvfw, 0inqemyz, nhltgezg, daug, zmt4, 4gmr, dpk, pht, azmys,