Axle Ratio/Tire Size Calculator
- Version 1.2
Updated: August 1, 2004
Here are a few calculators that may be useful when working with gear
be compatible with Netscape 3.x and MSIE 3.x or above.
over to the Gear
similar information in printable form.
so you've torn your pumpkin apart and have the ring gear and pinion gear
teeth count. This calculator will give you the gear ratio, just plug in
wonder how far off your speedometer is with your new bigger tires? I'm
using a simple ratio calculation, so this info will only approximate your
corrected speed and depends on the accuracy of tire size diameters (assumimg
nothing but tire size has changed).
that you have your truck lifted, you want bigger meats. They look cool
and have the potential of being very functional, but they may also be robbing
you of power/gas mileage. This calculator will get you back to a ratio
that's closer to your original. Enter the values on the left and press
wonder what your low-low-low gear ratio is, your "crawl ratio"? You'll
need to do a little research by finding out the transfer case and transmission
ratios first. Enter your values on the left side, press Compute and your
answer will be on the right.
spend a bunch of time trying to WAG (wild ass guess) my actual MPH when
going down the road. By knowing your gear ratios and tire size you'll get
a more accurate idea here. Enter the value on the left, press Compute.
suppose if you don't have a tachometer you could use this form, otherwise
it's only useful to find out how accurate your Tach is. Enter the values
on the left, press Compute.
formula is a nice way to get the tire diameter of those metric tires that
are common on just about everything stock. For example a 265/75R16 would
be around 31.6 inches tall. Enter the numbers into this form in the order
you read them from the tire and press Compute.
I cannot take credit for these calculators.
They were created and copyrighted by Mark Medina.