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 205/60r16 Tire Comparison Side By Side
  195/60-17 205/60-16 Difference
Diameter inches (mm) 26.21 (665.8) 25.69 (652.4) -0.53 (-13.4) -2%
Width inches (mm) 7.68 (195) 8.07 (205) 0.39 (10) 5.1%
Circum. inches (mm) 82.35 (2091.67) 80.69 (2049.58) -1.66 (-42.1) -2%
Sidewall Height inches (mm) 4.61 (117) 4.84 (123) 0.24 (6) 5.1%
Revolutions per mile (km) 769.41 (478.09) 785.21 (487.91) 15.8 (9.82) 2.1%

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 (39.42 km/h)
30 mph (48.28 km/h)29.4 mph (47.31 km/h)
35 mph (56.33 km/h)34.3 mph (55.19 km/h)
40 mph (64.37 km/h)39.19 mph (63.08 km/h)
45 mph (72.42 km/h)44.09 mph (70.96 km/h)
50 mph (80.47 km/h)48.99 mph (78.85 km/h)
55 mph (88.51 km/h)53.89 mph (86.73 km/h)
60 mph (96.56 km/h)58.79 mph (94.62 km/h)
65 mph (104.61 km/h)63.69 mph (102.5 km/h)
70 mph (112.65 km/h)68.59 mph (110.39 km/h)
75 mph (120.7 km/h)73.49 mph (118.27 km/h)
80 mph (128.75 km/h)78.39 mph (126.16 km/h)
85 mph (136.79 km/h)83.29 mph (134.04 km/h)
90 mph (144.84 km/h)88.19 mph (141.93 km/h)
95 mph (152.89 km/h)93.09 mph (149.81 km/h)
100 mph (160.93 km/h)97.99 mph (157.7 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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