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 295/55r22 Tire Comparison Side By Side
  305/55-22 295/55-22 Difference
Diameter inches (mm) 35.21 (894.3) 34.78 (883.3) -0.43 (-11) -1.2%
Width inches (mm) 12.01 (305) 11.61 (295) -0.39 (-10) -3.3%
Circum. inches (mm) 110.61 (2809.53) 109.25 (2774.97) -1.36 (-34.56) -1.2%
Sidewall Height inches (mm) 6.6 (167.75) 6.39 (162.25) -0.22 (-5.5) -3.3%
Revolutions per mile (km) 572.82 (355.93) 579.95 (360.36) 7.13 (4.43) 1.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.75 mph (31.79 km/h)
25 mph (40.23 km/h)24.69 mph (39.74 km/h)
30 mph (48.28 km/h)29.63 mph (47.69 km/h)
35 mph (56.33 km/h)34.57 mph (55.63 km/h)
40 mph (64.37 km/h)39.51 mph (63.58 km/h)
45 mph (72.42 km/h)44.45 mph (71.53 km/h)
50 mph (80.47 km/h)49.38 mph (79.48 km/h)
55 mph (88.51 km/h)54.32 mph (87.43 km/h)
60 mph (96.56 km/h)59.26 mph (95.37 km/h)
65 mph (104.61 km/h)64.2 mph (103.32 km/h)
70 mph (112.65 km/h)69.14 mph (111.27 km/h)
75 mph (120.7 km/h)74.08 mph (119.22 km/h)
80 mph (128.75 km/h)79.02 mph (127.16 km/h)
85 mph (136.79 km/h)83.95 mph (135.11 km/h)
90 mph (144.84 km/h)88.89 mph (143.06 km/h)
95 mph (152.89 km/h)93.83 mph (151.01 km/h)
100 mph (160.93 km/h)98.77 mph (158.96 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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