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 200/55r17 Tire Comparison Side By Side
  200/50-17 200/55-17 Difference
Diameter inches (mm) 24.87 (631.8) 25.66 (651.8) 0.79 (20) 3.2%
Width inches (mm) 7.87 (200) 7.87 (200) 0 (0) 0%
Circum. inches (mm) 78.14 (1984.86) 80.62 (2047.69) 2.47 (62.83) 3.2%
Sidewall Height inches (mm) 3.94 (100) 4.33 (110) 0.39 (10) 10%
Revolutions per mile (km) 810.81 (503.81) 785.93 (488.35) -24.88 (-15.46) -3.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.63 mph (33.21 km/h)
25 mph (40.23 km/h)25.79 mph (41.51 km/h)
30 mph (48.28 km/h)30.95 mph (49.81 km/h)
35 mph (56.33 km/h)36.11 mph (58.11 km/h)
40 mph (64.37 km/h)41.27 mph (66.41 km/h)
45 mph (72.42 km/h)46.42 mph (74.71 km/h)
50 mph (80.47 km/h)51.58 mph (83.01 km/h)
55 mph (88.51 km/h)56.74 mph (91.32 km/h)
60 mph (96.56 km/h)61.9 mph (99.62 km/h)
65 mph (104.61 km/h)67.06 mph (107.92 km/h)
70 mph (112.65 km/h)72.22 mph (116.22 km/h)
75 mph (120.7 km/h)77.37 mph (124.52 km/h)
80 mph (128.75 km/h)82.53 mph (132.82 km/h)
85 mph (136.79 km/h)87.69 mph (141.12 km/h)
90 mph (144.84 km/h)92.85 mph (149.43 km/h)
95 mph (152.89 km/h)98.01 mph (157.73 km/h)
100 mph (160.93 km/h)103.17 mph (166.03 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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