Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
315/35r17 vs 335/35r17 Tire Comparison Side By Side
  315/35-17 335/35-17 Difference
Diameter inches (mm) 25.68 (652.3) 26.23 (666.3) 0.55 (14) 2.1%
Width inches (mm) 12.4 (315) 13.19 (335) 0.79 (20) 6.3%
Circum. inches (mm) 80.68 (2049.26) 82.41 (2093.24) 1.73 (43.98) 2.1%
Sidewall Height inches (mm) 4.34 (110.25) 4.62 (117.25) 0.28 (7) 6.3%
Revolutions per mile (km) 785.33 (487.98) 768.83 (477.73) -16.5 (-10.25) -2.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.43 mph (32.88 km/h)
25 mph (40.23 km/h)25.54 mph (41.1 km/h)
30 mph (48.28 km/h)30.64 mph (49.32 km/h)
35 mph (56.33 km/h)35.75 mph (57.54 km/h)
40 mph (64.37 km/h)40.86 mph (65.76 km/h)
45 mph (72.42 km/h)45.97 mph (73.97 km/h)
50 mph (80.47 km/h)51.07 mph (82.19 km/h)
55 mph (88.51 km/h)56.18 mph (90.41 km/h)
60 mph (96.56 km/h)61.29 mph (98.63 km/h)
65 mph (104.61 km/h)66.4 mph (106.85 km/h)
70 mph (112.65 km/h)71.5 mph (115.07 km/h)
75 mph (120.7 km/h)76.61 mph (123.29 km/h)
80 mph (128.75 km/h)81.72 mph (131.51 km/h)
85 mph (136.79 km/h)86.82 mph (139.73 km/h)
90 mph (144.84 km/h)91.93 mph (147.95 km/h)
95 mph (152.89 km/h)97.04 mph (156.17 km/h)
100 mph (160.93 km/h)102.15 mph (164.39 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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