Grand Tech

North American Grand Cherokee Association
Your one stop source for Jeep Grand Cherokee Information

20° RTI Calculator

Here is a calculator to equate your RTI without a ramp.  You can use a curb, Honda Civic or any object that you can drive one wheel up and the other three wheels remain on a flat surface.  This is based on a 20° RTI ramp. Use inches in the wheelbase and height box's.

20° RTI Calculator

Wheelbase inches
Height {Distance from bottom of tire to ground} inches
Your RTI Rating

 

 

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