Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/75r16 vs 285/75r17 Tire Comparison Side By Side
  295/75-16 285/75-17 Difference
Diameter inches (mm) 33.42 (848.9) 33.83 (859.3) 0.41 (10.4) 1.2%
Width inches (mm) 11.61 (295) 11.22 (285) -0.39 (-10) -3.4%
Circum. inches (mm) 105 (2666.9) 106.28 (2699.57) 1.29 (32.67) 1.2%
Sidewall Height inches (mm) 8.71 (221.25) 8.42 (213.75) -0.3 (-7.5) -3.4%
Revolutions per mile (km) 603.45 (374.97) 596.15 (370.43) -7.3 (-4.54) -1.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.25 mph (32.58 km/h)
25 mph (40.23 km/h)25.31 mph (40.73 km/h)
30 mph (48.28 km/h)30.37 mph (48.87 km/h)
35 mph (56.33 km/h)35.43 mph (57.02 km/h)
40 mph (64.37 km/h)40.49 mph (65.16 km/h)
45 mph (72.42 km/h)45.55 mph (73.31 km/h)
50 mph (80.47 km/h)50.61 mph (81.45 km/h)
55 mph (88.51 km/h)55.67 mph (89.6 km/h)
60 mph (96.56 km/h)60.74 mph (97.74 km/h)
65 mph (104.61 km/h)65.8 mph (105.89 km/h)
70 mph (112.65 km/h)70.86 mph (114.03 km/h)
75 mph (120.7 km/h)75.92 mph (122.18 km/h)
80 mph (128.75 km/h)80.98 mph (130.33 km/h)
85 mph (136.79 km/h)86.04 mph (138.47 km/h)
90 mph (144.84 km/h)91.1 mph (146.62 km/h)
95 mph (152.89 km/h)96.16 mph (154.76 km/h)
100 mph (160.93 km/h)101.23 mph (162.91 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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