Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
200/60r17 vs 195/55r17 Tire Comparison Side By Side
  200/60-17 195/55-17 Difference
Diameter inches (mm) 26.45 (671.8) 25.44 (646.3) -1 (-25.5) -3.8%
Width inches (mm) 7.87 (200) 7.68 (195) -0.2 (-5) -2.5%
Circum. inches (mm) 83.09 (2110.52) 79.94 (2030.41) -3.15 (-80.11) -3.8%
Sidewall Height inches (mm) 4.72 (120) 4.22 (107.25) -0.5 (-12.75) -10.6%
Revolutions per mile (km) 762.53 (473.82) 792.62 (492.51) 30.09 (18.69) 3.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.24 mph (30.97 km/h)
25 mph (40.23 km/h)24.05 mph (38.71 km/h)
30 mph (48.28 km/h)28.86 mph (46.45 km/h)
35 mph (56.33 km/h)33.67 mph (54.19 km/h)
40 mph (64.37 km/h)38.48 mph (61.93 km/h)
45 mph (72.42 km/h)43.29 mph (69.67 km/h)
50 mph (80.47 km/h)48.1 mph (77.41 km/h)
55 mph (88.51 km/h)52.91 mph (85.15 km/h)
60 mph (96.56 km/h)57.72 mph (92.9 km/h)
65 mph (104.61 km/h)62.53 mph (100.64 km/h)
70 mph (112.65 km/h)67.34 mph (108.38 km/h)
75 mph (120.7 km/h)72.15 mph (116.12 km/h)
80 mph (128.75 km/h)76.96 mph (123.86 km/h)
85 mph (136.79 km/h)81.77 mph (131.6 km/h)
90 mph (144.84 km/h)86.58 mph (139.34 km/h)
95 mph (152.89 km/h)91.39 mph (147.08 km/h)
100 mph (160.93 km/h)96.2 mph (154.83 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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