Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/35r22 vs 235/35r22 Tire Comparison Side By Side
  265/35-22 235/35-22 Difference
Diameter inches (mm) 29.3 (744.3) 28.48 (723.3) -0.83 (-21) -2.8%
Width inches (mm) 10.43 (265) 9.25 (235) -1.18 (-30) -11.3%
Circum. inches (mm) 92.06 (2338.29) 89.46 (2272.31) -2.6 (-65.97) -2.8%
Sidewall Height inches (mm) 3.65 (92.75) 3.24 (82.25) -0.41 (-10.5) -11.3%
Revolutions per mile (km) 688.26 (427.66) 708.24 (440.08) 19.98 (12.42) 2.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.44 mph (31.28 km/h)
25 mph (40.23 km/h)24.29 mph (39.1 km/h)
30 mph (48.28 km/h)29.15 mph (46.92 km/h)
35 mph (56.33 km/h)34.01 mph (54.74 km/h)
40 mph (64.37 km/h)38.87 mph (62.56 km/h)
45 mph (72.42 km/h)43.73 mph (70.38 km/h)
50 mph (80.47 km/h)48.59 mph (78.2 km/h)
55 mph (88.51 km/h)53.45 mph (86.02 km/h)
60 mph (96.56 km/h)58.31 mph (93.84 km/h)
65 mph (104.61 km/h)63.17 mph (101.66 km/h)
70 mph (112.65 km/h)68.02 mph (109.48 km/h)
75 mph (120.7 km/h)72.88 mph (117.3 km/h)
80 mph (128.75 km/h)77.74 mph (125.12 km/h)
85 mph (136.79 km/h)82.6 mph (132.93 km/h)
90 mph (144.84 km/h)87.46 mph (140.75 km/h)
95 mph (152.89 km/h)92.32 mph (148.57 km/h)
100 mph (160.93 km/h)97.18 mph (156.39 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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