Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
335/25r22 vs 325/35r22 Tire Comparison Side By Side
  335/25-22 325/35-22 Difference
Diameter inches (mm) 28.59 (726.3) 30.96 (786.3) 2.36 (60) 8.3%
Width inches (mm) 13.19 (335) 12.8 (325) -0.39 (-10) -3%
Circum. inches (mm) 89.83 (2281.74) 97.25 (2470.23) 7.42 (188.5) 8.3%
Sidewall Height inches (mm) 3.3 (83.75) 4.48 (113.75) 1.18 (30) 35.8%
Revolutions per mile (km) 705.31 (438.26) 651.49 (404.82) -53.82 (-33.44) -7.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.65 mph (34.85 km/h)
25 mph (40.23 km/h)27.07 mph (43.56 km/h)
30 mph (48.28 km/h)32.48 mph (52.27 km/h)
35 mph (56.33 km/h)37.89 mph (60.98 km/h)
40 mph (64.37 km/h)43.3 mph (69.69 km/h)
45 mph (72.42 km/h)48.72 mph (78.4 km/h)
50 mph (80.47 km/h)54.13 mph (87.11 km/h)
55 mph (88.51 km/h)59.54 mph (95.83 km/h)
60 mph (96.56 km/h)64.96 mph (104.54 km/h)
65 mph (104.61 km/h)70.37 mph (113.25 km/h)
70 mph (112.65 km/h)75.78 mph (121.96 km/h)
75 mph (120.7 km/h)81.2 mph (130.67 km/h)
80 mph (128.75 km/h)86.61 mph (139.38 km/h)
85 mph (136.79 km/h)92.02 mph (148.1 km/h)
90 mph (144.84 km/h)97.43 mph (156.81 km/h)
95 mph (152.89 km/h)102.85 mph (165.52 km/h)
100 mph (160.93 km/h)108.26 mph (174.23 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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