Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
315/30r22 vs 335/25r22 Tire Comparison Side By Side
  315/30-22 335/25-22 Difference
Diameter inches (mm) 29.44 (747.8) 28.59 (726.3) -0.85 (-21.5) -2.9%
Width inches (mm) 12.4 (315) 13.19 (335) 0.79 (20) 6.3%
Circum. inches (mm) 92.49 (2349.28) 89.83 (2281.74) -2.66 (-67.54) -2.9%
Sidewall Height inches (mm) 3.72 (94.5) 3.3 (83.75) -0.42 (-10.75) -11.4%
Revolutions per mile (km) 685.04 (425.66) 705.31 (438.26) 20.28 (12.6) 3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.42 mph (31.26 km/h)
25 mph (40.23 km/h)24.28 mph (39.08 km/h)
30 mph (48.28 km/h)29.14 mph (46.89 km/h)
35 mph (56.33 km/h)33.99 mph (54.71 km/h)
40 mph (64.37 km/h)38.85 mph (62.52 km/h)
45 mph (72.42 km/h)43.71 mph (70.34 km/h)
50 mph (80.47 km/h)48.56 mph (78.15 km/h)
55 mph (88.51 km/h)53.42 mph (85.97 km/h)
60 mph (96.56 km/h)58.27 mph (93.78 km/h)
65 mph (104.61 km/h)63.13 mph (101.6 km/h)
70 mph (112.65 km/h)67.99 mph (109.42 km/h)
75 mph (120.7 km/h)72.84 mph (117.23 km/h)
80 mph (128.75 km/h)77.7 mph (125.05 km/h)
85 mph (136.79 km/h)82.56 mph (132.86 km/h)
90 mph (144.84 km/h)87.41 mph (140.68 km/h)
95 mph (152.89 km/h)92.27 mph (148.49 km/h)
100 mph (160.93 km/h)97.12 mph (156.31 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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