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The formula to calculate wheel speed in mph is given by: \[ \text{Wheel Speed (mph)} = \frac{\text{RPM} \times \text{Wheel Circumference (inches)}}{63360} \times 60 \] where the wheel circumference is calculated as \(\pi \times \text{Wheel Diameter (inches)}\), and 63360 inches equal one mile.
Your vehicle's RPM can be calculated at any speed as long as you give the tire size, axle ratio, and final transmission gear ratio. Using this calculation, you can match oversized tires with new ring and pinion gears to get the engine RPM at highway speed you desire.
Our handy Wheel Speed Calculator is designed specifically to help you determine the optimal wheel rotations per minute (RPM) based on your tire size, vehicle speed, and transmission gear ratio. With a user-friendly interface and accurate calculations, this tool is great for anyone who wants to ensure a smooth and safe ride.
Enter the Motor RPM. OR. Enter the Tire Diameter (inches) OR. Enter the Speed (MPH) OR. Enter the Differential Ratio.
The Wheel Speed Calculator emerges as a valuable tool, offering a convenient way to calculate the rotational speed of a wheel based on its RPM (Revolutions per Minute) and diameter. Let’s delve into the importance of this calculator and how it simplifies engineering calculations.
Use our vehicle speed calculator to calculate the top speed for each gear given the gear ratio, engine speed (RPM) and tyre size.
Use zero for Converter Slip if manual Transmission. Gear Calculator. RPM: RPM. Trans Gear: Tire Diameter: Inch MM. Speed:
Calculate vehicle speed in [kph] for a vehicle with the following parameters: engine speed, N e = 2300 rpm; gearbox (1 st) gear ratio, i x = 4.171; final drive ratio, i 0 = 3.460; tire size marking 225/55R17; Step 1. Calculate the (free static) wheel radius from the tire size marking.
This shows the rpm of a car wheel at a given speed based on its wheel and tire sizes.
The formula to calculate RPM based on tire size, speed, and final drive ratio is: \ [ \text {RPM} = \frac {\text {Speed (MPH)} \times \text {Final Drive Ratio} \times 336} {\text {Tire Diameter (inches)}} \] Example Calculation.