Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/75r17 vs 35/11.5r17 Tire Comparison Side By Side
  295/75-17 35/11.5-17 Difference
Diameter inches (mm) 34.42 (874.3) 34.93 (887.32) 0.51 (13.02) 1.5%
Width inches (mm) 11.61 (295) 11.5 (292) -0.12 (-3) -1%
Circum. inches (mm) 108.14 (2746.69) 109.75 (2787.6) 1.61 (40.9) 1.5%
Sidewall Height inches (mm) 8.71 (221.25) 8.97 (227.76) 0.26 (6.51) 2.9%
Revolutions per mile (km) 585.92 (364.07) 577.32 (358.73) -8.6 (-5.34) -1.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.3 mph (32.67 km/h)
25 mph (40.23 km/h)25.37 mph (40.83 km/h)
30 mph (48.28 km/h)30.45 mph (49 km/h)
35 mph (56.33 km/h)35.52 mph (57.17 km/h)
40 mph (64.37 km/h)40.6 mph (65.33 km/h)
45 mph (72.42 km/h)45.67 mph (73.5 km/h)
50 mph (80.47 km/h)50.74 mph (81.67 km/h)
55 mph (88.51 km/h)55.82 mph (89.83 km/h)
60 mph (96.56 km/h)60.89 mph (98 km/h)
65 mph (104.61 km/h)65.97 mph (106.17 km/h)
70 mph (112.65 km/h)71.04 mph (114.33 km/h)
75 mph (120.7 km/h)76.12 mph (122.5 km/h)
80 mph (128.75 km/h)81.19 mph (130.67 km/h)
85 mph (136.79 km/h)86.27 mph (138.83 km/h)
90 mph (144.84 km/h)91.34 mph (147 km/h)
95 mph (152.89 km/h)96.41 mph (155.16 km/h)
100 mph (160.93 km/h)101.49 mph (163.33 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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