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 35/12.5r17 Tire Comparison Side By Side
  335/35-17 35/12.5-17 Difference
Diameter inches (mm) 26.23 (666.3) 35.03 (889.72) 8.8 (223.42) 33.5%
Width inches (mm) 13.19 (335) 12.52 (318) -0.67 (-17) -5.1%
Circum. inches (mm) 82.41 (2093.24) 110.04 (2795.14) 27.63 (701.89) 33.5%
Sidewall Height inches (mm) 4.62 (117.25) 9.01 (228.96) 4.4 (111.71) 95.3%
Revolutions per mile (km) 768.83 (477.73) 575.77 (357.76) -193.06 (-119.96) -25.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)26.71 mph (42.98 km/h)
25 mph (40.23 km/h)33.38 mph (53.72 km/h)
30 mph (48.28 km/h)40.06 mph (64.47 km/h)
35 mph (56.33 km/h)46.74 mph (75.21 km/h)
40 mph (64.37 km/h)53.41 mph (85.96 km/h)
45 mph (72.42 km/h)60.09 mph (96.7 km/h)
50 mph (80.47 km/h)66.77 mph (107.45 km/h)
55 mph (88.51 km/h)73.44 mph (118.19 km/h)
60 mph (96.56 km/h)80.12 mph (128.94 km/h)
65 mph (104.61 km/h)86.8 mph (139.68 km/h)
70 mph (112.65 km/h)93.47 mph (150.43 km/h)
75 mph (120.7 km/h)100.15 mph (161.17 km/h)
80 mph (128.75 km/h)106.83 mph (171.92 km/h)
85 mph (136.79 km/h)113.5 mph (182.66 km/h)
90 mph (144.84 km/h)120.18 mph (193.41 km/h)
95 mph (152.89 km/h)126.85 mph (204.15 km/h)
100 mph (160.93 km/h)133.53 mph (214.9 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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