Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
335/35r17 vs 335/40r17 Tire Comparison Side By Side
  335/35-17 335/40-17 Difference
Diameter inches (mm) 26.23 (666.3) 27.55 (699.8) 1.32 (33.5) 5%
Width inches (mm) 13.19 (335) 13.19 (335) 0 (0) 0%
Circum. inches (mm) 82.41 (2093.24) 86.55 (2198.49) 4.14 (105.24) 5%
Sidewall Height inches (mm) 4.62 (117.25) 5.28 (134) 0.66 (16.75) 14.3%
Revolutions per mile (km) 768.83 (477.73) 732.02 (454.86) -36.8 (-22.87) -4.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.01 mph (33.81 km/h)
25 mph (40.23 km/h)26.26 mph (42.26 km/h)
30 mph (48.28 km/h)31.51 mph (50.71 km/h)
35 mph (56.33 km/h)36.76 mph (59.16 km/h)
40 mph (64.37 km/h)42.01 mph (67.61 km/h)
45 mph (72.42 km/h)47.26 mph (76.06 km/h)
50 mph (80.47 km/h)52.51 mph (84.51 km/h)
55 mph (88.51 km/h)57.77 mph (92.96 km/h)
60 mph (96.56 km/h)63.02 mph (101.42 km/h)
65 mph (104.61 km/h)68.27 mph (109.87 km/h)
70 mph (112.65 km/h)73.52 mph (118.32 km/h)
75 mph (120.7 km/h)78.77 mph (126.77 km/h)
80 mph (128.75 km/h)84.02 mph (135.22 km/h)
85 mph (136.79 km/h)89.27 mph (143.67 km/h)
90 mph (144.84 km/h)94.52 mph (152.12 km/h)
95 mph (152.89 km/h)99.78 mph (160.57 km/h)
100 mph (160.93 km/h)105.03 mph (169.03 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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