Speed Calculator

Calculate speed based on RPM, transmission ratios, rear end gearing, and tire size.

RESULTS

Tire Width (in): 10.4330708661
Tire Height (in): 24.7952755906
Circumference (in): 77.896655639163
For each tire rotation your vehicle will go 6.49 Feet


Gear Cruise Max
Gear 1 13.89 16.41
Gear 2 23.78 28.11
Gear 3 30.53 36.08
Gear 4 43.05 50.87
Gear 5 60.63 71.65
Gear 6 70.57 83.4
Gear 1 @ 1584 RPM
Gear 1 @ 2377 RPM
Gear 2 @ 1850 RPM
Gear 2 @ 2313 RPM
Gear 3 @ 2162 RPM
Gear 3 @ 2522 RPM
Gear 4 @ 2044 RPM
Gear 4 @ 2300 RPM
Gear 4 @ 2555 RPM
Gear 5 OD @ 1996 RPM
Gear 5 OD @ 2177 RPM
Gear 5 OD @ 2359 RPM
Gear 5 OD @ 2540 RPM
Gear 6 OD @ 2338 RPM
This graph shows the RPM points for speeds in increments of 5MPH. The curve itself does not accurately represent the RPM in between the data points.
Tire Size
265 75R22.5
265 75R22.5
265 75R22.5
-OR-

Select from one of these tire sizes

Transmission Gearing

Gear Ratios

-OR-

Select from one of these transmissions

Axle Ratio & Engine RPM

Rear Axle Ratio

-OR-

Select from one of these axle ratios


Engine RPM

Vehicle Details & Options
(OPTIONAL)
This should be the actual weight, not GVWR.

Options