Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/60r17 vs 210/60r17 Tire Comparison Side By Side
  195/60-17 210/60-17 Difference
Diameter inches (mm) 26.21 (665.8) 26.92 (683.8) 0.71 (18) 2.7%
Width inches (mm) 7.68 (195) 8.27 (210) 0.59 (15) 7.7%
Circum. inches (mm) 82.35 (2091.67) 84.58 (2148.22) 2.23 (56.55) 2.7%
Sidewall Height inches (mm) 4.61 (117) 4.96 (126) 0.35 (9) 7.7%
Revolutions per mile (km) 769.41 (478.09) 749.15 (465.5) -20.25 (-12.58) -2.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.54 mph (33.06 km/h)
25 mph (40.23 km/h)25.68 mph (41.32 km/h)
30 mph (48.28 km/h)30.81 mph (49.59 km/h)
35 mph (56.33 km/h)35.95 mph (57.85 km/h)
40 mph (64.37 km/h)41.08 mph (66.11 km/h)
45 mph (72.42 km/h)46.22 mph (74.38 km/h)
50 mph (80.47 km/h)51.35 mph (82.64 km/h)
55 mph (88.51 km/h)56.49 mph (90.91 km/h)
60 mph (96.56 km/h)61.62 mph (99.17 km/h)
65 mph (104.61 km/h)66.76 mph (107.44 km/h)
70 mph (112.65 km/h)71.89 mph (115.7 km/h)
75 mph (120.7 km/h)77.03 mph (123.96 km/h)
80 mph (128.75 km/h)82.16 mph (132.23 km/h)
85 mph (136.79 km/h)87.3 mph (140.49 km/h)
90 mph (144.84 km/h)92.43 mph (148.76 km/h)
95 mph (152.89 km/h)97.57 mph (157.02 km/h)
100 mph (160.93 km/h)102.7 mph (165.29 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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