Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/45r17 vs 28/10r17 Tire Comparison Side By Side
  295/45-17 28/10-17 Difference
Diameter inches (mm) 27.45 (697.3) 28 (711.2) 0.55 (13.9) 2%
Width inches (mm) 11.61 (295) 10 (254) -1.61 (-41) -13.9%
Circum. inches (mm) 86.25 (2190.63) 87.96 (2234.3) 1.72 (43.67) 2%
Sidewall Height inches (mm) 5.23 (132.75) 5.5 (139.7) 0.27 (6.95) 5.2%
Revolutions per mile (km) 734.65 (456.49) 720.29 (447.57) -14.36 (-8.92) -2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.4 mph (32.83 km/h)
25 mph (40.23 km/h)25.5 mph (41.04 km/h)
30 mph (48.28 km/h)30.6 mph (49.24 km/h)
35 mph (56.33 km/h)35.7 mph (57.45 km/h)
40 mph (64.37 km/h)40.8 mph (65.66 km/h)
45 mph (72.42 km/h)45.9 mph (73.86 km/h)
50 mph (80.47 km/h)51 mph (82.07 km/h)
55 mph (88.51 km/h)56.1 mph (90.28 km/h)
60 mph (96.56 km/h)61.2 mph (98.49 km/h)
65 mph (104.61 km/h)66.3 mph (106.69 km/h)
70 mph (112.65 km/h)71.4 mph (114.9 km/h)
75 mph (120.7 km/h)76.5 mph (123.11 km/h)
80 mph (128.75 km/h)81.59 mph (131.31 km/h)
85 mph (136.79 km/h)86.69 mph (139.52 km/h)
90 mph (144.84 km/h)91.79 mph (147.73 km/h)
95 mph (152.89 km/h)96.89 mph (155.94 km/h)
100 mph (160.93 km/h)101.99 mph (164.14 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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