Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/40r22 vs 285/35r22 Tire Comparison Side By Side
  295/40-22 285/35-22 Difference
Diameter inches (mm) 31.29 (794.8) 29.85 (758.3) -1.44 (-36.5) -4.6%
Width inches (mm) 11.61 (295) 11.22 (285) -0.39 (-10) -3.4%
Circum. inches (mm) 98.3 (2496.94) 93.79 (2382.27) -4.51 (-114.67) -4.6%
Sidewall Height inches (mm) 4.65 (118) 3.93 (99.75) -0.72 (-18.25) -15.5%
Revolutions per mile (km) 644.53 (400.49) 675.55 (419.77) 31.02 (19.28) 4.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.08 mph (30.71 km/h)
25 mph (40.23 km/h)23.85 mph (38.39 km/h)
30 mph (48.28 km/h)28.62 mph (46.06 km/h)
35 mph (56.33 km/h)33.39 mph (53.74 km/h)
40 mph (64.37 km/h)38.16 mph (61.42 km/h)
45 mph (72.42 km/h)42.93 mph (69.09 km/h)
50 mph (80.47 km/h)47.7 mph (76.77 km/h)
55 mph (88.51 km/h)52.47 mph (84.45 km/h)
60 mph (96.56 km/h)57.24 mph (92.13 km/h)
65 mph (104.61 km/h)62.01 mph (99.8 km/h)
70 mph (112.65 km/h)66.79 mph (107.48 km/h)
75 mph (120.7 km/h)71.56 mph (115.16 km/h)
80 mph (128.75 km/h)76.33 mph (122.84 km/h)
85 mph (136.79 km/h)81.1 mph (130.51 km/h)
90 mph (144.84 km/h)85.87 mph (138.19 km/h)
95 mph (152.89 km/h)90.64 mph (145.87 km/h)
100 mph (160.93 km/h)95.41 mph (153.54 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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