Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
33/12.5r16.5 vs 295/75r16 Tire Comparison Side By Side
  33/12.5-16.5 295/75-16 Difference
Diameter inches (mm) 33.03 (838.86) 33.42 (848.9) 0.4 (10.04) 1.2%
Width inches (mm) 12.52 (318) 11.61 (295) -0.91 (-23) -7.2%
Circum. inches (mm) 103.75 (2635.36) 105 (2666.9) 1.24 (31.54) 1.2%
Sidewall Height inches (mm) 8.26 (209.88) 8.71 (221.25) 0.45 (11.37) 5.4%
Revolutions per mile (km) 610.67 (379.45) 603.45 (374.97) -7.22 (-4.49) -1.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.24 mph (32.57 km/h)
25 mph (40.23 km/h)25.3 mph (40.72 km/h)
30 mph (48.28 km/h)30.36 mph (48.86 km/h)
35 mph (56.33 km/h)35.42 mph (57 km/h)
40 mph (64.37 km/h)40.48 mph (65.14 km/h)
45 mph (72.42 km/h)45.54 mph (73.29 km/h)
50 mph (80.47 km/h)50.6 mph (81.43 km/h)
55 mph (88.51 km/h)55.66 mph (89.57 km/h)
60 mph (96.56 km/h)60.72 mph (97.72 km/h)
65 mph (104.61 km/h)65.78 mph (105.86 km/h)
70 mph (112.65 km/h)70.84 mph (114 km/h)
75 mph (120.7 km/h)75.9 mph (122.15 km/h)
80 mph (128.75 km/h)80.96 mph (130.29 km/h)
85 mph (136.79 km/h)86.02 mph (138.43 km/h)
90 mph (144.84 km/h)91.08 mph (146.57 km/h)
95 mph (152.89 km/h)96.14 mph (154.72 km/h)
100 mph (160.93 km/h)101.2 mph (162.86 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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