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Sport Truck Specialty - Tire Size and Comparison Calculator

Use this chart to find out the size of your tires or compare existing to new tire sizes

         
TIRE SIZE AND COMPARISON CALCULATORS  
         
    Current   New
    Size   Size
Tread width in mm (285, 305)    
         
Aspect Ratio (50,75)    
         
Rim Size (18, 20)    
         
This is height of tire in inches    

Automatic recalculation