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 250/35r17 Tire Comparison Side By Side
  200/50-17 250/35-17 Difference
Diameter inches (mm) 24.87 (631.8) 23.89 (606.8) -0.98 (-25) -4%
Width inches (mm) 7.87 (200) 9.84 (250) 1.97 (50) 25%
Circum. inches (mm) 78.14 (1984.86) 75.05 (1906.32) -3.09 (-78.54) -4%
Sidewall Height inches (mm) 3.94 (100) 3.44 (87.5) -0.49 (-12.5) -12.5%
Revolutions per mile (km) 810.81 (503.81) 844.22 (524.57) 33.41 (20.76) 4.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.21 mph (30.91 km/h)
25 mph (40.23 km/h)24.01 mph (38.64 km/h)
30 mph (48.28 km/h)28.81 mph (46.37 km/h)
35 mph (56.33 km/h)33.62 mph (54.1 km/h)
40 mph (64.37 km/h)38.42 mph (61.83 km/h)
45 mph (72.42 km/h)43.22 mph (69.55 km/h)
50 mph (80.47 km/h)48.02 mph (77.28 km/h)
55 mph (88.51 km/h)52.82 mph (85.01 km/h)
60 mph (96.56 km/h)57.63 mph (92.74 km/h)
65 mph (104.61 km/h)62.43 mph (100.47 km/h)
70 mph (112.65 km/h)67.23 mph (108.2 km/h)
75 mph (120.7 km/h)72.03 mph (115.92 km/h)
80 mph (128.75 km/h)76.83 mph (123.65 km/h)
85 mph (136.79 km/h)81.64 mph (131.38 km/h)
90 mph (144.84 km/h)86.44 mph (139.11 km/h)
95 mph (152.89 km/h)91.24 mph (146.84 km/h)
100 mph (160.93 km/h)96.04 mph (154.57 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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