Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
35/12.5r15 vs 295/75r16 Tire Comparison Side By Side
  35/12.5-15 295/75-16 Difference
Diameter inches (mm) 35.03 (889.8) 33.42 (848.9) -1.61 (-40.9) -4.6%
Width inches (mm) 12.52 (318) 11.61 (295) -0.91 (-23) -7.2%
Circum. inches (mm) 110.05 (2795.39) 105 (2666.9) -5.06 (-128.49) -4.6%
Sidewall Height inches (mm) 10.02 (254.4) 8.71 (221.25) -1.31 (-33.15) -13%
Revolutions per mile (km) 575.71 (357.73) 603.45 (374.97) 27.74 (17.24) 4.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.08 mph (30.71 km/h)
25 mph (40.23 km/h)23.85 mph (38.38 km/h)
30 mph (48.28 km/h)28.62 mph (46.06 km/h)
35 mph (56.33 km/h)33.39 mph (53.74 km/h)
40 mph (64.37 km/h)38.16 mph (61.41 km/h)
45 mph (72.42 km/h)42.93 mph (69.09 km/h)
50 mph (80.47 km/h)47.7 mph (76.77 km/h)
55 mph (88.51 km/h)52.47 mph (84.45 km/h)
60 mph (96.56 km/h)57.24 mph (92.12 km/h)
65 mph (104.61 km/h)62.01 mph (99.8 km/h)
70 mph (112.65 km/h)66.78 mph (107.48 km/h)
75 mph (120.7 km/h)71.55 mph (115.15 km/h)
80 mph (128.75 km/h)76.32 mph (122.83 km/h)
85 mph (136.79 km/h)81.09 mph (130.51 km/h)
90 mph (144.84 km/h)85.86 mph (138.18 km/h)
95 mph (152.89 km/h)90.63 mph (145.86 km/h)
100 mph (160.93 km/h)95.4 mph (153.54 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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