Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
35/12r16 vs 265/75r16 Tire Comparison Side By Side
  35/12-16 265/75-16 Difference
Diameter inches (mm) 34.97 (888.3) 31.65 (803.9) -3.32 (-84.4) -9.5%
Width inches (mm) 12.01 (305) 10.43 (265) -1.57 (-40) -13.1%
Circum. inches (mm) 109.87 (2790.68) 99.43 (2525.53) -10.44 (-265.15) -9.5%
Sidewall Height inches (mm) 9.49 (240.95) 7.82 (198.75) -1.66 (-42.2) -17.5%
Revolutions per mile (km) 576.69 (358.34) 637.23 (395.96) 60.55 (37.62) 10.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.1 mph (29.13 km/h)
25 mph (40.23 km/h)22.62 mph (36.41 km/h)
30 mph (48.28 km/h)27.15 mph (43.69 km/h)
35 mph (56.33 km/h)31.67 mph (50.98 km/h)
40 mph (64.37 km/h)36.2 mph (58.26 km/h)
45 mph (72.42 km/h)40.72 mph (65.54 km/h)
50 mph (80.47 km/h)45.25 mph (72.82 km/h)
55 mph (88.51 km/h)49.77 mph (80.1 km/h)
60 mph (96.56 km/h)54.3 mph (87.39 km/h)
65 mph (104.61 km/h)58.82 mph (94.67 km/h)
70 mph (112.65 km/h)63.35 mph (101.95 km/h)
75 mph (120.7 km/h)67.87 mph (109.23 km/h)
80 mph (128.75 km/h)72.4 mph (116.52 km/h)
85 mph (136.79 km/h)76.92 mph (123.8 km/h)
90 mph (144.84 km/h)81.45 mph (131.08 km/h)
95 mph (152.89 km/h)85.97 mph (138.36 km/h)
100 mph (160.93 km/h)90.5 mph (145.64 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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