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 255/30r22 Tire Comparison Side By Side
  295/25-22 255/30-22 Difference
Diameter inches (mm) 27.81 (706.3) 28.02 (711.8) 0.22 (5.5) 0.8%
Width inches (mm) 11.61 (295) 10.04 (255) -1.57 (-40) -13.6%
Circum. inches (mm) 87.36 (2218.91) 88.04 (2236.19) 0.68 (17.28) 0.8%
Sidewall Height inches (mm) 2.9 (73.75) 3.01 (76.5) 0.11 (2.75) 3.7%
Revolutions per mile (km) 725.29 (450.67) 719.68 (447.19) -5.6 (-3.48) -0.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.16 mph (32.44 km/h)
25 mph (40.23 km/h)25.19 mph (40.55 km/h)
30 mph (48.28 km/h)30.23 mph (48.66 km/h)
35 mph (56.33 km/h)35.27 mph (56.77 km/h)
40 mph (64.37 km/h)40.31 mph (64.88 km/h)
45 mph (72.42 km/h)45.35 mph (72.98 km/h)
50 mph (80.47 km/h)50.39 mph (81.09 km/h)
55 mph (88.51 km/h)55.43 mph (89.2 km/h)
60 mph (96.56 km/h)60.47 mph (97.31 km/h)
65 mph (104.61 km/h)65.51 mph (105.42 km/h)
70 mph (112.65 km/h)70.55 mph (113.53 km/h)
75 mph (120.7 km/h)75.58 mph (121.64 km/h)
80 mph (128.75 km/h)80.62 mph (129.75 km/h)
85 mph (136.79 km/h)85.66 mph (137.86 km/h)
90 mph (144.84 km/h)90.7 mph (145.97 km/h)
95 mph (152.89 km/h)95.74 mph (154.08 km/h)
100 mph (160.93 km/h)100.78 mph (162.19 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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