Education
What Do Tire Size Codes Mean? 195/65R15, 205/55R16, and 225/65R17 Explained
February 8, 2026•8 min read•1,600 words
Tire size codes like 195/65R15, 205/55R16, and 225/65R17 tell you a lot — if you know how to read them. This beginner-friendly guide decodes every part of a tire size designation, so importers and buyers can order exactly the right tires every time.
Keywords
195/65R15205/55R16225/65R17tire size guidehow to read tire size