Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
285/35r24 vs 295/30r24 Tire Comparison Side By Side
  285/35-24 295/30-24 Difference
Diameter inches (mm) 31.85 (809.1) 30.97 (786.6) -0.89 (-22.5) -2.8%
Width inches (mm) 11.22 (285) 11.61 (295) 0.39 (10) 3.5%
Circum. inches (mm) 100.07 (2541.86) 97.29 (2471.18) -2.78 (-70.69) -2.8%
Sidewall Height inches (mm) 3.93 (99.75) 3.48 (88.5) -0.44 (-11.25) -11.3%
Revolutions per mile (km) 633.14 (393.41) 651.25 (404.66) 18.11 (11.25) 2.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.44 mph (31.29 km/h)
25 mph (40.23 km/h)24.3 mph (39.11 km/h)
30 mph (48.28 km/h)29.17 mph (46.94 km/h)
35 mph (56.33 km/h)34.03 mph (54.76 km/h)
40 mph (64.37 km/h)38.89 mph (62.58 km/h)
45 mph (72.42 km/h)43.75 mph (70.41 km/h)
50 mph (80.47 km/h)48.61 mph (78.23 km/h)
55 mph (88.51 km/h)53.47 mph (86.05 km/h)
60 mph (96.56 km/h)58.33 mph (93.88 km/h)
65 mph (104.61 km/h)63.19 mph (101.7 km/h)
70 mph (112.65 km/h)68.05 mph (109.52 km/h)
75 mph (120.7 km/h)72.91 mph (117.34 km/h)
80 mph (128.75 km/h)77.78 mph (125.17 km/h)
85 mph (136.79 km/h)82.64 mph (132.99 km/h)
90 mph (144.84 km/h)87.5 mph (140.81 km/h)
95 mph (152.89 km/h)92.36 mph (148.64 km/h)
100 mph (160.93 km/h)97.22 mph (156.46 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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