Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
285/25r22 vs 265/35r22 Tire Comparison Side By Side
  285/25-22 265/35-22 Difference
Diameter inches (mm) 27.61 (701.3) 29.3 (744.3) 1.69 (43) 6.1%
Width inches (mm) 11.22 (285) 10.43 (265) -0.79 (-20) -7%
Circum. inches (mm) 86.74 (2203.2) 92.06 (2338.29) 5.32 (135.09) 6.1%
Sidewall Height inches (mm) 2.81 (71.25) 3.65 (92.75) 0.85 (21.5) 30.2%
Revolutions per mile (km) 730.46 (453.88) 688.26 (427.66) -42.2 (-26.22) -5.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.23 mph (34.16 km/h)
25 mph (40.23 km/h)26.53 mph (42.7 km/h)
30 mph (48.28 km/h)31.84 mph (51.24 km/h)
35 mph (56.33 km/h)37.15 mph (59.78 km/h)
40 mph (64.37 km/h)42.45 mph (68.32 km/h)
45 mph (72.42 km/h)47.76 mph (76.86 km/h)
50 mph (80.47 km/h)53.07 mph (85.4 km/h)
55 mph (88.51 km/h)58.37 mph (93.94 km/h)
60 mph (96.56 km/h)63.68 mph (102.48 km/h)
65 mph (104.61 km/h)68.99 mph (111.02 km/h)
70 mph (112.65 km/h)74.29 mph (119.56 km/h)
75 mph (120.7 km/h)79.6 mph (128.1 km/h)
80 mph (128.75 km/h)84.91 mph (136.64 km/h)
85 mph (136.79 km/h)90.21 mph (145.18 km/h)
90 mph (144.84 km/h)95.52 mph (153.72 km/h)
95 mph (152.89 km/h)100.82 mph (162.26 km/h)
100 mph (160.93 km/h)106.13 mph (170.8 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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