Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
200/50r17 vs 205/50r17 Tire Comparison Side By Side
  200/50-17 205/50-17 Difference
Diameter inches (mm) 24.87 (631.8) 25.07 (636.8) 0.2 (5) 0.8%
Width inches (mm) 7.87 (200) 8.07 (205) 0.2 (5) 2.5%
Circum. inches (mm) 78.14 (1984.86) 78.76 (2000.57) 0.62 (15.71) 0.8%
Sidewall Height inches (mm) 3.94 (100) 4.04 (102.5) 0.1 (2.5) 2.5%
Revolutions per mile (km) 810.81 (503.81) 804.44 (499.86) -6.37 (-3.96) -0.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.16 mph (32.44 km/h)
25 mph (40.23 km/h)25.2 mph (40.55 km/h)
30 mph (48.28 km/h)30.24 mph (48.66 km/h)
35 mph (56.33 km/h)35.28 mph (56.77 km/h)
40 mph (64.37 km/h)40.32 mph (64.88 km/h)
45 mph (72.42 km/h)45.36 mph (72.99 km/h)
50 mph (80.47 km/h)50.4 mph (81.1 km/h)
55 mph (88.51 km/h)55.44 mph (89.21 km/h)
60 mph (96.56 km/h)60.47 mph (97.32 km/h)
65 mph (104.61 km/h)65.51 mph (105.44 km/h)
70 mph (112.65 km/h)70.55 mph (113.55 km/h)
75 mph (120.7 km/h)75.59 mph (121.66 km/h)
80 mph (128.75 km/h)80.63 mph (129.77 km/h)
85 mph (136.79 km/h)85.67 mph (137.88 km/h)
90 mph (144.84 km/h)90.71 mph (145.99 km/h)
95 mph (152.89 km/h)95.75 mph (154.1 km/h)
100 mph (160.93 km/h)100.79 mph (162.21 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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