Tire Conversion Chart, Old Sizes To Metric Radial

Note: This is not all inclusive of every tire manufacturer's available sizes

Old
Size
Letter
Size
82
Series
80
Series
75
Series
70
Series
65
Series
60
Series
50
Series
6.00-14   155R14     175R14 185R14    
6.45-14   155R14     175R14 185R14    
6.50-14   175R14   185R14 195R14   215R14  
6.95-14   175R14   185R14 195R14   215R14  
7.00-14 E 185R14   195R14 205R14   225R14 245R14
7.35-14 E 185R14   195R14 205R14   225R14 245R14
7.50-14 F 195R14   205R14 215R14   235R14  
7.75-14 F 195R14   205R14 215R14   235R14  
8.00-14 G 205R14   215R14 225R14   245R14 265R14
8.25-14 G 205R14   215R14 225R14   245R14 265R14
8.50-14 H 215R14   225R14        
8.55-14 H 215R14   225R14        
9.00-14 J 225R14            
9.50-14 L              
6.00-15 B 165R15 165R15   185R15 195R15 205R15 225R15
6.50-15 C 175R15     195R15 205R15 215R15  
6.70-15 F 195R15   205R15 215R15   235R15  
6.85-15 C 175R15     195R15 205R15 215R15  
7.10-15 G 205R15   215R15 225R15 235R15 245R15 265R15
7.35-15 E 185R15   195R15 205R15 215R15 225R15  
7.60-15 H 215R15   225R15 235R15   255R15 275R15
7.75-15 F 195R15   205R15 215R15   235R15  
8.00-15 J 225R15   225R15 235R15   265R15  
8.20-15 K              
8.85-15 J 225R15   225R15 235R15   265R15  
9.00-15 K              
9.15-15 L 235R15   235R15 255R15   275R15 295R15
9.15-15 N             305R15