Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/60r17 vs 150/60r17 Tire Comparison Side By Side
  110/60-17 150/60-17 Difference
Diameter inches (mm) 22.2 (563.8) 24.09 (611.8) 1.89 (48) 8.5%
Width inches (mm) 4.33 (110) 5.91 (150) 1.57 (40) 36.4%
Circum. inches (mm) 69.73 (1771.23) 75.67 (1922.03) 5.94 (150.8) 8.5%
Sidewall Height inches (mm) 2.6 (66) 3.54 (90) 0.94 (24) 36.4%
Revolutions per mile (km) 908.6 (564.58) 837.32 (520.28) -71.29 (-44.3) -7.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.7 mph (34.93 km/h)
25 mph (40.23 km/h)27.13 mph (43.66 km/h)
30 mph (48.28 km/h)32.55 mph (52.39 km/h)
35 mph (56.33 km/h)37.98 mph (61.12 km/h)
40 mph (64.37 km/h)43.41 mph (69.85 km/h)
45 mph (72.42 km/h)48.83 mph (78.59 km/h)
50 mph (80.47 km/h)54.26 mph (87.32 km/h)
55 mph (88.51 km/h)59.68 mph (96.05 km/h)
60 mph (96.56 km/h)65.11 mph (104.78 km/h)
65 mph (104.61 km/h)70.53 mph (113.51 km/h)
70 mph (112.65 km/h)75.96 mph (122.25 km/h)
75 mph (120.7 km/h)81.39 mph (130.98 km/h)
80 mph (128.75 km/h)86.81 mph (139.71 km/h)
85 mph (136.79 km/h)92.24 mph (148.44 km/h)
90 mph (144.84 km/h)97.66 mph (157.17 km/h)
95 mph (152.89 km/h)103.09 mph (165.9 km/h)
100 mph (160.93 km/h)108.51 mph (174.64 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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