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 285/30r22 Tire Comparison Side By Side
  295/25-22 285/30-22 Difference
Diameter inches (mm) 27.81 (706.3) 28.73 (729.8) 0.93 (23.5) 3.3%
Width inches (mm) 11.61 (295) 11.22 (285) -0.39 (-10) -3.4%
Circum. inches (mm) 87.36 (2218.91) 90.27 (2292.73) 2.91 (73.83) 3.3%
Sidewall Height inches (mm) 2.9 (73.75) 3.37 (85.5) 0.46 (11.75) 15.9%
Revolutions per mile (km) 725.29 (450.67) 701.93 (436.16) -23.35 (-14.51) -3.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.67 mph (33.26 km/h)
25 mph (40.23 km/h)25.83 mph (41.57 km/h)
30 mph (48.28 km/h)31 mph (49.89 km/h)
35 mph (56.33 km/h)36.16 mph (58.2 km/h)
40 mph (64.37 km/h)41.33 mph (66.52 km/h)
45 mph (72.42 km/h)46.5 mph (74.83 km/h)
50 mph (80.47 km/h)51.66 mph (83.14 km/h)
55 mph (88.51 km/h)56.83 mph (91.46 km/h)
60 mph (96.56 km/h)62 mph (99.77 km/h)
65 mph (104.61 km/h)67.16 mph (108.09 km/h)
70 mph (112.65 km/h)72.33 mph (116.4 km/h)
75 mph (120.7 km/h)77.5 mph (124.72 km/h)
80 mph (128.75 km/h)82.66 mph (133.03 km/h)
85 mph (136.79 km/h)87.83 mph (141.35 km/h)
90 mph (144.84 km/h)92.99 mph (149.66 km/h)
95 mph (152.89 km/h)98.16 mph (157.97 km/h)
100 mph (160.93 km/h)103.33 mph (166.29 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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