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 210/40r17 Tire Comparison Side By Side
  200/50-17 210/40-17 Difference
Diameter inches (mm) 24.87 (631.8) 23.61 (599.8) -1.26 (-32) -5.1%
Width inches (mm) 7.87 (200) 8.27 (210) 0.39 (10) 5%
Circum. inches (mm) 78.14 (1984.86) 74.19 (1884.33) -3.96 (-100.53) -5.1%
Sidewall Height inches (mm) 3.94 (100) 3.31 (84) -0.63 (-16) -16%
Revolutions per mile (km) 810.81 (503.81) 854.07 (530.69) 43.26 (26.88) 5.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.99 mph (30.56 km/h)
25 mph (40.23 km/h)23.73 mph (38.2 km/h)
30 mph (48.28 km/h)28.48 mph (45.84 km/h)
35 mph (56.33 km/h)33.23 mph (53.47 km/h)
40 mph (64.37 km/h)37.97 mph (61.11 km/h)
45 mph (72.42 km/h)42.72 mph (68.75 km/h)
50 mph (80.47 km/h)47.47 mph (76.39 km/h)
55 mph (88.51 km/h)52.21 mph (84.03 km/h)
60 mph (96.56 km/h)56.96 mph (91.67 km/h)
65 mph (104.61 km/h)61.71 mph (99.31 km/h)
70 mph (112.65 km/h)66.45 mph (106.95 km/h)
75 mph (120.7 km/h)71.2 mph (114.59 km/h)
80 mph (128.75 km/h)75.95 mph (122.23 km/h)
85 mph (136.79 km/h)80.69 mph (129.87 km/h)
90 mph (144.84 km/h)85.44 mph (137.51 km/h)
95 mph (152.89 km/h)90.19 mph (145.14 km/h)
100 mph (160.93 km/h)94.94 mph (152.78 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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