Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
275/65r22 vs 265/70r17 Tire Comparison Side By Side
  275/65-22 265/70-17 Difference
Diameter inches (mm) 36.07 (916.3) 31.61 (802.8) -4.47 (-113.5) -12.4%
Width inches (mm) 10.83 (275) 10.43 (265) -0.39 (-10) -3.6%
Circum. inches (mm) 113.33 (2878.64) 99.29 (2522.07) -14.04 (-356.57) -12.4%
Sidewall Height inches (mm) 7.04 (178.75) 7.3 (185.5) 0.27 (6.75) 3.8%
Revolutions per mile (km) 559.06 (347.39) 638.1 (396.5) 79.04 (49.11) 14.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)17.52 mph (28.2 km/h)
25 mph (40.23 km/h)21.9 mph (35.25 km/h)
30 mph (48.28 km/h)26.28 mph (42.3 km/h)
35 mph (56.33 km/h)30.66 mph (49.35 km/h)
40 mph (64.37 km/h)35.05 mph (56.4 km/h)
45 mph (72.42 km/h)39.43 mph (63.45 km/h)
50 mph (80.47 km/h)43.81 mph (70.5 km/h)
55 mph (88.51 km/h)48.19 mph (77.55 km/h)
60 mph (96.56 km/h)52.57 mph (84.6 km/h)
65 mph (104.61 km/h)56.95 mph (91.65 km/h)
70 mph (112.65 km/h)61.33 mph (98.7 km/h)
75 mph (120.7 km/h)65.71 mph (105.75 km/h)
80 mph (128.75 km/h)70.09 mph (112.8 km/h)
85 mph (136.79 km/h)74.47 mph (119.85 km/h)
90 mph (144.84 km/h)78.85 mph (126.9 km/h)
95 mph (152.89 km/h)83.23 mph (133.95 km/h)
100 mph (160.93 km/h)87.61 mph (141 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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