Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/25r26 vs 33/12.5r26 Tire Comparison Side By Side
  295/25-26 33/12.5-26 Difference
Diameter inches (mm) 31.81 (807.9) 33.01 (838.48) 1.2 (30.58) 3.8%
Width inches (mm) 11.61 (295) 12.52 (318) 0.91 (23) 7.8%
Circum. inches (mm) 99.92 (2538.09) 103.71 (2634.16) 3.78 (96.07) 3.8%
Sidewall Height inches (mm) 2.9 (73.75) 3.51 (89.04) 0.6 (15.29) 20.7%
Revolutions per mile (km) 634.08 (394) 610.95 (379.63) -23.13 (-14.37) -3.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.76 mph (33.41 km/h)
25 mph (40.23 km/h)25.95 mph (41.76 km/h)
30 mph (48.28 km/h)31.14 mph (50.11 km/h)
35 mph (56.33 km/h)36.32 mph (58.46 km/h)
40 mph (64.37 km/h)41.51 mph (66.81 km/h)
45 mph (72.42 km/h)46.7 mph (75.16 km/h)
50 mph (80.47 km/h)51.89 mph (83.51 km/h)
55 mph (88.51 km/h)57.08 mph (91.86 km/h)
60 mph (96.56 km/h)62.27 mph (100.22 km/h)
65 mph (104.61 km/h)67.46 mph (108.57 km/h)
70 mph (112.65 km/h)72.65 mph (116.92 km/h)
75 mph (120.7 km/h)77.84 mph (125.27 km/h)
80 mph (128.75 km/h)83.03 mph (133.62 km/h)
85 mph (136.79 km/h)88.22 mph (141.97 km/h)
90 mph (144.84 km/h)93.41 mph (150.32 km/h)
95 mph (152.89 km/h)98.6 mph (158.67 km/h)
100 mph (160.93 km/h)103.79 mph (167.03 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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