Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
165/82r13 vs 165/95r13 Tire Comparison Side By Side
  165/82-13 165/95-13 Difference
Diameter inches (mm) 23.65 (600.8) 25.34 (643.7) 1.69 (42.9) 7.1%
Width inches (mm) 6.5 (165) 6.5 (165) 0 (0) 0%
Circum. inches (mm) 74.31 (1887.47) 79.62 (2022.24) 5.31 (134.77) 7.1%
Sidewall Height inches (mm) 5.33 (135.3) 6.17 (156.75) 0.84 (21.45) 15.9%
Revolutions per mile (km) 852.65 (529.81) 795.82 (494.5) -56.83 (-35.31) -6.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.43 mph (34.49 km/h)
25 mph (40.23 km/h)26.79 mph (43.11 km/h)
30 mph (48.28 km/h)32.14 mph (51.73 km/h)
35 mph (56.33 km/h)37.5 mph (60.35 km/h)
40 mph (64.37 km/h)42.86 mph (68.97 km/h)
45 mph (72.42 km/h)48.21 mph (77.59 km/h)
50 mph (80.47 km/h)53.57 mph (86.21 km/h)
55 mph (88.51 km/h)58.93 mph (94.83 km/h)
60 mph (96.56 km/h)64.28 mph (103.46 km/h)
65 mph (104.61 km/h)69.64 mph (112.08 km/h)
70 mph (112.65 km/h)75 mph (120.7 km/h)
75 mph (120.7 km/h)80.36 mph (129.32 km/h)
80 mph (128.75 km/h)85.71 mph (137.94 km/h)
85 mph (136.79 km/h)91.07 mph (146.56 km/h)
90 mph (144.84 km/h)96.43 mph (155.18 km/h)
95 mph (152.89 km/h)101.78 mph (163.8 km/h)
100 mph (160.93 km/h)107.14 mph (172.43 km/h)

Gear Ratio / RPMs for New Tire (@ 65 mph)
2.35 2.73 2.94 3.07 3.21 3.31 3.42 3.55 3.73 3.91 4.11 4.27 4.56 4.88 5.13 5.29 5.38 5.71 6.17 7.17
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