Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
35/12.5r16 vs 35/12.5r17 Tire Comparison Side By Side
  35/12.5-16 35/12.5-17 Difference
Diameter inches (mm) 35.03 (889.76) 35.03 (889.72) -0 (-0.04) -0%
Width inches (mm) 12.52 (318) 12.52 (318) 0 (0) 0%
Circum. inches (mm) 110.05 (2795.26) 110.04 (2795.14) -0 (-0.13) -0%
Sidewall Height inches (mm) 9.51 (241.68) 9.01 (228.96) -0.5 (-12.72) -5.3%
Revolutions per mile (km) 575.74 (357.75) 575.77 (357.76) 0.03 (0.02) 0%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20 mph (32.19 km/h)
25 mph (40.23 km/h)25 mph (40.23 km/h)
30 mph (48.28 km/h)30 mph (48.28 km/h)
35 mph (56.33 km/h)35 mph (56.32 km/h)
40 mph (64.37 km/h)40 mph (64.37 km/h)
45 mph (72.42 km/h)45 mph (72.42 km/h)
50 mph (80.47 km/h)50 mph (80.46 km/h)
55 mph (88.51 km/h)55 mph (88.51 km/h)
60 mph (96.56 km/h)60 mph (96.56 km/h)
65 mph (104.61 km/h)65 mph (104.6 km/h)
70 mph (112.65 km/h)70 mph (112.65 km/h)
75 mph (120.7 km/h)75 mph (120.7 km/h)
80 mph (128.75 km/h)80 mph (128.74 km/h)
85 mph (136.79 km/h)85 mph (136.79 km/h)
90 mph (144.84 km/h)90 mph (144.83 km/h)
95 mph (152.89 km/h)95 mph (152.88 km/h)
100 mph (160.93 km/h)100 mph (160.93 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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