Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/25r22 vs 305/25r22 Tire Comparison Side By Side
  295/25-22 305/25-22 Difference
Diameter inches (mm) 27.81 (706.3) 28 (711.3) 0.2 (5) 0.7%
Width inches (mm) 11.61 (295) 12.01 (305) 0.39 (10) 3.4%
Circum. inches (mm) 87.36 (2218.91) 87.98 (2234.61) 0.62 (15.71) 0.7%
Sidewall Height inches (mm) 2.9 (73.75) 3 (76.25) 0.1 (2.5) 3.4%
Revolutions per mile (km) 725.29 (450.67) 720.19 (447.5) -5.1 (-3.17) -0.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.14 mph (32.41 km/h)
25 mph (40.23 km/h)25.18 mph (40.52 km/h)
30 mph (48.28 km/h)30.21 mph (48.62 km/h)
35 mph (56.33 km/h)35.25 mph (56.73 km/h)
40 mph (64.37 km/h)40.28 mph (64.83 km/h)
45 mph (72.42 km/h)45.32 mph (72.93 km/h)
50 mph (80.47 km/h)50.35 mph (81.04 km/h)
55 mph (88.51 km/h)55.39 mph (89.14 km/h)
60 mph (96.56 km/h)60.42 mph (97.24 km/h)
65 mph (104.61 km/h)65.46 mph (105.35 km/h)
70 mph (112.65 km/h)70.5 mph (113.45 km/h)
75 mph (120.7 km/h)75.53 mph (121.56 km/h)
80 mph (128.75 km/h)80.57 mph (129.66 km/h)
85 mph (136.79 km/h)85.6 mph (137.76 km/h)
90 mph (144.84 km/h)90.64 mph (145.87 km/h)
95 mph (152.89 km/h)95.67 mph (153.97 km/h)
100 mph (160.93 km/h)100.71 mph (162.07 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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