Pages of Interest to 4x4ers
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1.8 Various vehicle-related calculators
Now 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 your values on the left side, click Compute; your answer will be on the right.
Ever 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, click Compute; your answer will be on the right.
I've spent 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 your values on the left side, click Compute; your answer will be on the right.
I 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 your values on the left side, click Compute; your answer will be on the right.
This 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 your values on the left side (in the order you read them from the tire), click Compute;
your answer will be on the right.
Here are a few calculators that may be useful in deciding tire size, gear ratios, and other stuff.
These should be compatible with Netscape 3.x and MS Internet Explorer 3.x or above.
Stop by 4Lo.com for new and improved calculators.
Ever 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 (assuming nothing but tire size has changed).
Enter your values on the left side, click Compute; your answer will be on the right.
These should be compatible with Netscape 3.x and MS Internet Explorer 3.x or above.
Stop by 4Lo.com for new and improved calculators.
Ever 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 (assuming nothing but tire size has changed).
Enter your values on the left side, click Compute; your answer will be on the right.
Now 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 your values on the left side, click Compute; your answer will be on the right.
Ever 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, click Compute; your answer will be on the right.
I've spent 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 your values on the left side, click Compute; your answer will be on the right.
I 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 your values on the left side, click Compute; your answer will be on the right.
This 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 your values on the left side (in the order you read them from the tire), click Compute;
your answer will be on the right.
Information courtesy of and © 1997 by Mark Medina
(www.4Lo.com);
used with permission
Frame last updated: January 11, 2009