2023年3月17日 · Below is a gear ratio chart showing what your engine RPMs would be at 65 MPH based on your tire diameter and differential gear ratio in third gear (1:1 transmission ratio). If you have overdrive, the rpm will be lower in that gear.

2024年7月31日 · The gear ratio gives us an idea of how much an output gear is sped up or slowed down or how much torque is lost or gained in a system. We equipped this calculator with the gear ratio equation and the gear reduction equation so you can quickly determine the gear ratio of your gears.

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 to return back to your original gear ratio when going to a bigger or smaller tire.

Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. 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 gear.

This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing.

"Rabbit, A Singlespeed and Fixed-gear Calculator" John Allen has pages giving exact, fractional ratios calculated from gear tooth counts: "Drive ratios of bicycle hub gears"

Read off your mph at any rpm in any gear. Enter transmission and rear tyre data in the yellow boxes. Tyre diameter is automatically calculated from tyre profile info e.g. 195/55 x 15 = 24.44 inch tyre diameter.

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.

2021年11月10日 · In this post, you will learn what is gear ratio in gears? and how to calculate the gear ratio. Also, you can download the PDF file at the end of this article. The gear ratio is the ratio of the number of turns the output shaft makes when the input shaft turns once.

TO FINd A GEAR FOR A RATIO: Locate the ratio in the chart. Follow the column up to the number of teeth and to the left to the rear wheel sprocket. More than one combination may apply for a gear ratio. JACK SHAFT FORMULA: Divide engine hub by large sprocket on jackshaft. Divide small gear on jackshaft by rear sprocket. Example: (A/B) x (C/D) = Ratio