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 305/25r26 Tire Comparison Side By Side
  295/25-26 305/25-26 Difference
Diameter inches (mm) 31.81 (807.9) 32 (812.9) 0.2 (5) 0.6%
Width inches (mm) 11.61 (295) 12.01 (305) 0.39 (10) 3.4%
Circum. inches (mm) 99.92 (2538.09) 100.54 (2553.8) 0.62 (15.71) 0.6%
Sidewall Height inches (mm) 2.9 (73.75) 3 (76.25) 0.1 (2.5) 3.4%
Revolutions per mile (km) 634.08 (394) 630.18 (391.57) -3.9 (-2.42) -0.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.12 mph (32.39 km/h)
25 mph (40.23 km/h)25.15 mph (40.48 km/h)
30 mph (48.28 km/h)30.19 mph (48.58 km/h)
35 mph (56.33 km/h)35.22 mph (56.68 km/h)
40 mph (64.37 km/h)40.25 mph (64.77 km/h)
45 mph (72.42 km/h)45.28 mph (72.87 km/h)
50 mph (80.47 km/h)50.31 mph (80.97 km/h)
55 mph (88.51 km/h)55.34 mph (89.06 km/h)
60 mph (96.56 km/h)60.37 mph (97.16 km/h)
65 mph (104.61 km/h)65.4 mph (105.25 km/h)
70 mph (112.65 km/h)70.43 mph (113.35 km/h)
75 mph (120.7 km/h)75.46 mph (121.45 km/h)
80 mph (128.75 km/h)80.5 mph (129.54 km/h)
85 mph (136.79 km/h)85.53 mph (137.64 km/h)
90 mph (144.84 km/h)90.56 mph (145.74 km/h)
95 mph (152.89 km/h)95.59 mph (153.83 km/h)
100 mph (160.93 km/h)100.62 mph (161.93 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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