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Tire Size Conversion Chart

If you’ve ever asked the question, “What size tires are 33’s?” you are in the right place. The Offroad Source Tire Size Conversion Chart shows you the tire sizes that correspond with your existing (or desired) rim size. Easily find the right Jeep tire sizes for your wheel or rim. This is not just a Jeep Wrangler tire size chart, or a Jeep Gladiator tire size chart, this is an off Road tire size chart and we here at Offroad Source are here to help. 

33" Tire Size Conversion Chart (+/- 0.50" in overall diameter)

15" 16" 17" 18" 20" 22"  
33X950-15 285/75-16 275/70-17 275/65-18 285/60-20 285/50-22  
33X10.50-15 305/70-16 255/75-17 275/70-18 295/55-20 33X12.50-22  
33X11.50-15 375/55-16 285/70-17 305/60-18 305/55-20 305/45-22  
33X12.50-15M   305/65-17 295/65-18 325/50-20    
33X13.50-15   33X12.50-17 33X12.50-18      
33X15.50-15     325/60-18      
      375/50-18      

35" Tire Size Conversion Chart (+/- 0.50" in overall diameter)

15" 16" 17" 18" 20" 22" 24"
35X12.50-15 315/75-16 315/70-17 285/75-18 275/65-20 35X12.50-22 325/45-24
    295/70-17 295/70-18 285/65-20 325/50-22  
      35X12.50-18 295/65-20    
      305/70-18 315/60-20    
      325/65-18 325/60-20    
        35X11.50-20    
        35X12.50-20    
        35X13.50-20    
             

37" Tire Size Conversion Chart (+/- 0.50" in overall diameter)

15" 16" 17" 18" 20" 22" 24"
37X14.50-17 385/70-16 37X12.50-17 37X11.50-18 37X12.50-20 37X12.50-22 315/50-24
      37X12.50-18   37X13.50-22 37X13.50-24
      37X13.50-18      
             

40" Tire Size Conversion Chart (+/- 0.50" in overall diameter)

    17" 20"   22" 24"
    40X13.50-17 40X15.50-20   40X15.50-22 40X15.50-24 

Premium Jeep Wrangler and Jeep Gladiator Performance Parts and Accessories

Offroad Source is the premier supplier of Jeep performance parts, accessories, tires, and rims on the market, and as such, we want to make sure we are giving you as much information as you need to make an informed buying decision when shopping to outfit your Jeep Wrangler or Jeep Gladiator.