Stickied: Wheel/Tire Calculators

These wheel/tire calculators should help you out with your project. For more calculators visit the calculator page in the tech section.

More calculators are being added so check the Calculator section for the complete list. Have an idea for a new calculator? Let us know!

Here are just a few in the section for wheels and tires

Tire Diameter or Height in inches


Offset to Backspacing Converter in Inches


Backspacing to Offset Converter in Millimeters


Tire Diameter or Height Difference in Inches


Ever wonder how much those new tires effect the reading of your speedometer? This is for you!
Speedometer Difference in MPH Calculator