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 405/25r24 Tire Comparison Side By Side
  335/25-22 405/25-24 Difference
Diameter inches (mm) 28.59 (726.3) 31.97 (812.1) 3.38 (85.8) 11.8%
Width inches (mm) 13.19 (335) 15.94 (405) 2.76 (70) 20.9%
Circum. inches (mm) 89.83 (2281.74) 100.44 (2551.29) 10.61 (269.55) 11.8%
Sidewall Height inches (mm) 3.3 (83.75) 3.99 (101.25) 0.69 (17.5) 20.9%
Revolutions per mile (km) 705.31 (438.26) 630.8 (391.96) -74.52 (-46.3) -10.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.36 mph (35.99 km/h)
25 mph (40.23 km/h)27.95 mph (44.99 km/h)
30 mph (48.28 km/h)33.54 mph (53.98 km/h)
35 mph (56.33 km/h)39.13 mph (62.98 km/h)
40 mph (64.37 km/h)44.73 mph (71.98 km/h)
45 mph (72.42 km/h)50.32 mph (80.98 km/h)
50 mph (80.47 km/h)55.91 mph (89.97 km/h)
55 mph (88.51 km/h)61.5 mph (98.97 km/h)
60 mph (96.56 km/h)67.09 mph (107.97 km/h)
65 mph (104.61 km/h)72.68 mph (116.97 km/h)
70 mph (112.65 km/h)78.27 mph (125.96 km/h)
75 mph (120.7 km/h)83.86 mph (134.96 km/h)
80 mph (128.75 km/h)89.45 mph (143.96 km/h)
85 mph (136.79 km/h)95.04 mph (152.95 km/h)
90 mph (144.84 km/h)100.63 mph (161.95 km/h)
95 mph (152.89 km/h)106.22 mph (170.95 km/h)
100 mph (160.93 km/h)111.81 mph (179.95 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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