# Gear ratio calculator

Scroll through the list of popular transmissions to find yours. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward . What combination is best for hilly courses, technical courses or flat ones? Compare all the gearing options you are considering and pick the best one. Added option to see the gear ratio in gear inches .

Graphical gear calculator for bicycle gearing systems. Includes derailleur gears and internal gear hubs. Grafischer Ritzelrechner zur Berechnung der Entfaltung von Fahrradschaltungen. Save the entries in the form for when you come back later. Note that this will store the data locally on your computer.

Nothing you do is tracked on the grimmjeeper server. Ring-and-pinion selection made easy!

Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Easy to use gear ratio calculator. Use our gear ratio calculator to find the correct gear ratio to run when changing tire sizes to keep your stock gearing. Divide the number of teeth on each driven gear by the number of teeth on the drive gear for each interlocking set of gears to calculate the intermediate gear ratios.

This calculator will provide the speed of the vehicle based on the transmission gear ratio , the engine RPM, the tire height, . You can change tire dimensions to calculate the effect on top speed and gearing. Check the theoretical vehicle speeds, RPM drops per gear and mile per hour pulls. LEGO Technic gear ratio calculator.

Calculators to help you out. Basically, the ratio is determined by the number of teeth on each gear wheel. The following equations and calculators will estimate the resultant vehicle speed at a known rpm for a manual transmission with up to six forward gears.

Use our calculator to determine the top speed and gear ratio for your tire size. Input the tire diameter, highest engine rpm, number of teeth on your clutch or torque converter jack shaft and the number of teeth on the axle sprocket. If you go higher than the recommended mph then the possibility of excessive slipping of the . Regear your differential for optimum vehicle performance.

The chart below will help you to select the optimum gear ratio to bring the power and torque back to where you want them.

Using the chart , first determine what your original gear ratio and tire size are, then follow the lines to find your approximate RPM at MPH. Next find the new tire size on the left of the chart and look . Welcome to our new online ratio calculator ,. This software is designed for you to accurately compare and calculate the gear ratios of your landrover when the gearing is changed from stock by different tyres etc. We are interested in the combination of factors which make up the gearing.

This application calculates gear ratios for the road bike and the MTB. Combination of types of chain wheel, types of sprockets and types of tires – Create a graph of the gear ratio and speed-cadence. When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power.

A good way to calculate this is to multiply. Jeeps tire diameter (Example:.X = 6). Here at Alloy USA we have a made an easy to read chart to . A feature often requested in my gear program is that it should calculate and display the gear ratio.

The reason it does not have this feature is that the gear ratio is also the tooth count ratio (of the two gears), and that is a value that the user has to enter. At left, the two meshing gears with teeth and teeth will have a ratio of . It does not matter how many gears are in between the drive gear and the last one. This app guides you to count the teeth on the pinion, bevel, spur, and sector gears.

Gear ratio can also be expressed using the . A photo helps you identify the gears inside the gearbox. Once you enter the various gear values, it calculates the .