Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/60r14 vs 195/60r14 Tire Comparison Side By Side
  205/60-14 195/60-14 Difference
Diameter inches (mm) 23.69 (601.6) 23.21 (589.6) -0.47 (-12) -2%
Width inches (mm) 8.07 (205) 7.68 (195) -0.39 (-10) -4.9%
Circum. inches (mm) 74.41 (1889.98) 72.92 (1852.28) -1.48 (-37.7) -2%
Sidewall Height inches (mm) 4.84 (123) 4.61 (117) -0.24 (-6) -4.9%
Revolutions per mile (km) 851.51 (529.1) 868.84 (539.87) 17.33 (10.77) 2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.6 mph (31.54 km/h)
25 mph (40.23 km/h)24.5 mph (39.43 km/h)
30 mph (48.28 km/h)29.4 mph (47.32 km/h)
35 mph (56.33 km/h)34.3 mph (55.2 km/h)
40 mph (64.37 km/h)39.2 mph (63.09 km/h)
45 mph (72.42 km/h)44.1 mph (70.98 km/h)
50 mph (80.47 km/h)49 mph (78.86 km/h)
55 mph (88.51 km/h)53.9 mph (86.75 km/h)
60 mph (96.56 km/h)58.8 mph (94.63 km/h)
65 mph (104.61 km/h)63.7 mph (102.52 km/h)
70 mph (112.65 km/h)68.6 mph (110.41 km/h)
75 mph (120.7 km/h)73.5 mph (118.29 km/h)
80 mph (128.75 km/h)78.4 mph (126.18 km/h)
85 mph (136.79 km/h)83.3 mph (134.07 km/h)
90 mph (144.84 km/h)88.2 mph (141.95 km/h)
95 mph (152.89 km/h)93.11 mph (149.84 km/h)
100 mph (160.93 km/h)98.01 mph (157.72 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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