www.tremec.com/menu.php?m=109

Use this calculator to determine your gear ratio and vehicle's speed in any gear and ... Or, change input variables (engine RPM, axle gear ratio and tire height) to ...

www.grimmjeeper.com/gears.html

This calculator is useful for planning your rig, allowing you to see what kind of performance .... The following chart lists the final drive ratio of all combined gears ...

www.summitracing.com/expertadviceandnews/calcsandtools/gear-ratio-calculator

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 ...

www.bikecalc.com/gear_ratios

Ring Cog, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, Ring Cog. 11, 3.64, 3.73, 3.82, 3.91, 4.00, 4.09, 4.18, 4.27, 4.36, 4.45, 4.55, 4.64, 4.73, 11.

tiresize.com/gear-ratio-calculator

Use our gear ratio calculator to find the effective gear ratio your vehicle will have with a new tire size. Also calculated is the new gearing you would need in order ...

www.sheldonbrown.com/gear-calc.html

The selection of internal-gear hubs in the Calculator is complete except for one or two new models whose gear ratios have not been made public, and some very ...

www.ringpinion.com/Calculators/Calculators.aspx

Tire Height, RPM, Gear Ratio. Engine Displacement, Cubic Inches & Liters, Rod Ratio. Horsepower, Transmission Ratio RPM, Diff Wizard ...

www.differentials.com/technical-help-2/differential-gear-ratio-calculator

Differential Gear Ratio Calculator Tools for Tire Diameter, RPM, and Gear Ratio from the technical experts at West Coast Differentials.