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Tire Size Chart

Finally. A massive tire size chart with both metric and inch tire sizes listed to easily compare every tire size in one spot. Here are two tire size charts that list every tire by wheel size or by diameter to make your search as simple as possible. Each metric tire measurement shows both the metric tire size and the inch equivalent. To calculate a metric tire size into inches you multiply the first number by the second number devided by 100 which gives you the sidewall height in millimeters, divide it by 25.4 to convert it to inches. The overall diameter is then the wheel diameter plus 2 sidewall measurements, and divide the first number by 25.4 to calculate the width in inches ..... How about you just click the blue tabs to see a list of tire sizes and their conversions.

Tire Size Charts by Wheel Size

  • 13"
  • 14"
  • 15"
  • 16"
  • 16.5"
  • 17"
  • 18"
  • 19"
  • 20"
  • 21"
  • 22"
  • 23"
  • 24"
  • 26"
  • 28"
  • 30"

Tire Size Chart for 13" Wheels

21" Tire Diameter

185/60R13 = 21.7x7.3R13
215/50R13 = 21.5X8.5R13
225/45R13 = 21x8.9R13
225/50R13 = 21.9x8.9R13
255/40R13 = 21x10R13

22" Tire Diameter

155/80R13 = 22.8x6.1R13
175/70R13 = 22.6x6.9R13
205/60R13 = 22.7x8.1R13
22X8R13

23" Tire Diameter

165/80R13 = 23.4X6.5R13
185/70R13 = 23.2x7.3R13

24" Tire Diameter

175/80R13 = 24x6.9R13
185/80R13 = 24.7x7.3R13
24.5X8R13
24.5X9R13

Tire Size Charts by Diameter

  • 21"
  • 22"
  • 23"
  • 24"
  • 25"
  • 26"
  • 27"
  • 28"
  • 29"
  • 30"
  • 31"
  • 32"
  • 33"
  • 34"
  • 35"
  • 36"
  • 37"
  • 38"
  • 39"
  • 40"
  • 41-54"

21" Diameter Tire Size Chart

13" Wheel Size

185/60R13 = 21.7x7.3R13
215/50R13 = 21.5X8.5R13
225/45R13 = 21x8.9R13
225/50R13 = 21.9x8.9R13
255/40R13 = 21x10R13

14" Wheel Size

165/55R14 = 21.1X6.5R14

15" Wheel Size

115/70R15 = 21.3X4.5R15
125/70R15 = 21.9X4.9R15
165/50R15 = 21.5X6.5R15
195/45R15 = 21.9x7.7R15



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