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 240/40r22 Tire Comparison Side By Side
  265/35-22 240/40-22 Difference
Diameter inches (mm) 29.3 (744.3) 29.56 (750.8) 0.26 (6.5) 0.9%
Width inches (mm) 10.43 (265) 9.45 (240) -0.98 (-25) -9.4%
Circum. inches (mm) 92.06 (2338.29) 92.86 (2358.71) 0.8 (20.42) 0.9%
Sidewall Height inches (mm) 3.65 (92.75) 3.78 (96) 0.13 (3.25) 3.5%
Revolutions per mile (km) 688.26 (427.66) 682.3 (423.96) -5.96 (-3.7) -0.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.17 mph (32.47 km/h)
25 mph (40.23 km/h)25.22 mph (40.59 km/h)
30 mph (48.28 km/h)30.26 mph (48.7 km/h)
35 mph (56.33 km/h)35.31 mph (56.82 km/h)
40 mph (64.37 km/h)40.35 mph (64.94 km/h)
45 mph (72.42 km/h)45.39 mph (73.05 km/h)
50 mph (80.47 km/h)50.44 mph (81.17 km/h)
55 mph (88.51 km/h)55.48 mph (89.29 km/h)
60 mph (96.56 km/h)60.52 mph (97.4 km/h)
65 mph (104.61 km/h)65.57 mph (105.52 km/h)
70 mph (112.65 km/h)70.61 mph (113.64 km/h)
75 mph (120.7 km/h)75.65 mph (121.76 km/h)
80 mph (128.75 km/h)80.7 mph (129.87 km/h)
85 mph (136.79 km/h)85.74 mph (137.99 km/h)
90 mph (144.84 km/h)90.79 mph (146.11 km/h)
95 mph (152.89 km/h)95.83 mph (154.22 km/h)
100 mph (160.93 km/h)100.87 mph (162.34 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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