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 245/40r22 Tire Comparison Side By Side
  265/35-22 245/40-22 Difference
Diameter inches (mm) 29.3 (744.3) 29.72 (754.8) 0.41 (10.5) 1.4%
Width inches (mm) 10.43 (265) 9.65 (245) -0.79 (-20) -7.5%
Circum. inches (mm) 92.06 (2338.29) 93.36 (2371.27) 1.3 (32.99) 1.4%
Sidewall Height inches (mm) 3.65 (92.75) 3.86 (98) 0.21 (5.25) 5.7%
Revolutions per mile (km) 688.26 (427.66) 678.68 (421.71) -9.57 (-5.95) -1.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.28 mph (32.64 km/h)
25 mph (40.23 km/h)25.35 mph (40.8 km/h)
30 mph (48.28 km/h)30.42 mph (48.96 km/h)
35 mph (56.33 km/h)35.49 mph (57.12 km/h)
40 mph (64.37 km/h)40.56 mph (65.28 km/h)
45 mph (72.42 km/h)45.63 mph (73.44 km/h)
50 mph (80.47 km/h)50.71 mph (81.6 km/h)
55 mph (88.51 km/h)55.78 mph (89.76 km/h)
60 mph (96.56 km/h)60.85 mph (97.92 km/h)
65 mph (104.61 km/h)65.92 mph (106.08 km/h)
70 mph (112.65 km/h)70.99 mph (114.24 km/h)
75 mph (120.7 km/h)76.06 mph (122.4 km/h)
80 mph (128.75 km/h)81.13 mph (130.56 km/h)
85 mph (136.79 km/h)86.2 mph (138.72 km/h)
90 mph (144.84 km/h)91.27 mph (146.88 km/h)
95 mph (152.89 km/h)96.34 mph (155.04 km/h)
100 mph (160.93 km/h)101.41 mph (163.21 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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