Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/65r16 vs 205/60r16 Tire Comparison Side By Side
  195/65-16 205/60-16 Difference
Diameter inches (mm) 25.98 (659.9) 25.69 (652.4) -0.3 (-7.5) -1.1%
Width inches (mm) 7.68 (195) 8.07 (205) 0.39 (10) 5.1%
Circum. inches (mm) 81.62 (2073.14) 80.69 (2049.58) -0.93 (-23.56) -1.1%
Sidewall Height inches (mm) 4.99 (126.75) 4.84 (123) -0.15 (-3.75) -3%
Revolutions per mile (km) 776.28 (482.36) 785.21 (487.91) 8.92 (5.55) 1.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.77 mph (31.82 km/h)
25 mph (40.23 km/h)24.72 mph (39.78 km/h)
30 mph (48.28 km/h)29.66 mph (47.73 km/h)
35 mph (56.33 km/h)34.6 mph (55.69 km/h)
40 mph (64.37 km/h)39.55 mph (63.64 km/h)
45 mph (72.42 km/h)44.49 mph (71.6 km/h)
50 mph (80.47 km/h)49.43 mph (79.55 km/h)
55 mph (88.51 km/h)54.37 mph (87.51 km/h)
60 mph (96.56 km/h)59.32 mph (95.46 km/h)
65 mph (104.61 km/h)64.26 mph (103.42 km/h)
70 mph (112.65 km/h)69.2 mph (111.37 km/h)
75 mph (120.7 km/h)74.15 mph (119.33 km/h)
80 mph (128.75 km/h)79.09 mph (127.28 km/h)
85 mph (136.79 km/h)84.03 mph (135.24 km/h)
90 mph (144.84 km/h)88.98 mph (143.2 km/h)
95 mph (152.89 km/h)93.92 mph (151.15 km/h)
100 mph (160.93 km/h)98.86 mph (159.11 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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