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 290/45r22 Tire Comparison Side By Side
  295/40-22 290/45-22 Difference
Diameter inches (mm) 31.29 (794.8) 32.28 (819.8) 0.98 (25) 3.1%
Width inches (mm) 11.61 (295) 11.42 (290) -0.2 (-5) -1.7%
Circum. inches (mm) 98.3 (2496.94) 101.4 (2575.48) 3.09 (78.54) 3.1%
Sidewall Height inches (mm) 4.65 (118) 5.14 (130.5) 0.49 (12.5) 10.6%
Revolutions per mile (km) 644.53 (400.49) 624.87 (388.28) -19.66 (-12.21) -3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.63 mph (33.2 km/h)
25 mph (40.23 km/h)25.79 mph (41.5 km/h)
30 mph (48.28 km/h)30.94 mph (49.8 km/h)
35 mph (56.33 km/h)36.1 mph (58.1 km/h)
40 mph (64.37 km/h)41.26 mph (66.4 km/h)
45 mph (72.42 km/h)46.42 mph (74.7 km/h)
50 mph (80.47 km/h)51.57 mph (83 km/h)
55 mph (88.51 km/h)56.73 mph (91.3 km/h)
60 mph (96.56 km/h)61.89 mph (99.6 km/h)
65 mph (104.61 km/h)67.04 mph (107.9 km/h)
70 mph (112.65 km/h)72.2 mph (116.2 km/h)
75 mph (120.7 km/h)77.36 mph (124.5 km/h)
80 mph (128.75 km/h)82.52 mph (132.8 km/h)
85 mph (136.79 km/h)87.67 mph (141.1 km/h)
90 mph (144.84 km/h)92.83 mph (149.4 km/h)
95 mph (152.89 km/h)97.99 mph (157.7 km/h)
100 mph (160.93 km/h)103.15 mph (166 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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