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 295/50r15 Tire Comparison Side By Side
  335/35-17 295/50-15 Difference
Diameter inches (mm) 26.23 (666.3) 26.61 (676) 0.38 (9.7) 1.5%
Width inches (mm) 13.19 (335) 11.61 (295) -1.57 (-40) -11.9%
Circum. inches (mm) 82.41 (2093.24) 83.61 (2123.72) 1.2 (30.47) 1.5%
Sidewall Height inches (mm) 4.62 (117.25) 5.81 (147.5) 1.19 (30.25) 25.8%
Revolutions per mile (km) 768.83 (477.73) 757.8 (470.87) -11.03 (-6.85) -1.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.29 mph (32.66 km/h)
25 mph (40.23 km/h)25.36 mph (40.82 km/h)
30 mph (48.28 km/h)30.44 mph (48.98 km/h)
35 mph (56.33 km/h)35.51 mph (57.15 km/h)
40 mph (64.37 km/h)40.58 mph (65.31 km/h)
45 mph (72.42 km/h)45.66 mph (73.47 km/h)
50 mph (80.47 km/h)50.73 mph (81.64 km/h)
55 mph (88.51 km/h)55.8 mph (89.8 km/h)
60 mph (96.56 km/h)60.87 mph (97.97 km/h)
65 mph (104.61 km/h)65.95 mph (106.13 km/h)
70 mph (112.65 km/h)71.02 mph (114.29 km/h)
75 mph (120.7 km/h)76.09 mph (122.46 km/h)
80 mph (128.75 km/h)81.16 mph (130.62 km/h)
85 mph (136.79 km/h)86.24 mph (138.79 km/h)
90 mph (144.84 km/h)91.31 mph (146.95 km/h)
95 mph (152.89 km/h)96.38 mph (155.11 km/h)
100 mph (160.93 km/h)101.46 mph (163.28 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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