Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
305/55r22 vs 295/50r22 Tire Comparison Side By Side
  305/55-22 295/50-22 Difference
Diameter inches (mm) 35.21 (894.3) 33.61 (853.8) -1.59 (-40.5) -4.5%
Width inches (mm) 12.01 (305) 11.61 (295) -0.39 (-10) -3.3%
Circum. inches (mm) 110.61 (2809.53) 105.6 (2682.29) -5.01 (-127.23) -4.5%
Sidewall Height inches (mm) 6.6 (167.75) 5.81 (147.5) -0.8 (-20.25) -12.1%
Revolutions per mile (km) 572.82 (355.93) 599.99 (372.81) 27.17 (16.88) 4.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.09 mph (30.73 km/h)
25 mph (40.23 km/h)23.87 mph (38.41 km/h)
30 mph (48.28 km/h)28.64 mph (46.09 km/h)
35 mph (56.33 km/h)33.41 mph (53.78 km/h)
40 mph (64.37 km/h)38.19 mph (61.46 km/h)
45 mph (72.42 km/h)42.96 mph (69.14 km/h)
50 mph (80.47 km/h)47.74 mph (76.82 km/h)
55 mph (88.51 km/h)52.51 mph (84.51 km/h)
60 mph (96.56 km/h)57.28 mph (92.19 km/h)
65 mph (104.61 km/h)62.06 mph (99.87 km/h)
70 mph (112.65 km/h)66.83 mph (107.55 km/h)
75 mph (120.7 km/h)71.6 mph (115.23 km/h)
80 mph (128.75 km/h)76.38 mph (122.92 km/h)
85 mph (136.79 km/h)81.15 mph (130.6 km/h)
90 mph (144.84 km/h)85.92 mph (138.28 km/h)
95 mph (152.89 km/h)90.7 mph (145.96 km/h)
100 mph (160.93 km/h)95.47 mph (153.65 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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