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 335/30r24 Tire Comparison Side By Side
  335/25-22 335/30-24 Difference
Diameter inches (mm) 28.59 (726.3) 31.91 (810.6) 3.32 (84.3) 11.6%
Width inches (mm) 13.19 (335) 13.19 (335) 0 (0) 0%
Circum. inches (mm) 89.83 (2281.74) 100.26 (2546.58) 10.43 (264.84) 11.6%
Sidewall Height inches (mm) 3.3 (83.75) 3.96 (100.5) 0.66 (16.75) 20%
Revolutions per mile (km) 705.31 (438.26) 631.96 (392.68) -73.35 (-45.58) -10.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.32 mph (35.92 km/h)
25 mph (40.23 km/h)27.9 mph (44.9 km/h)
30 mph (48.28 km/h)33.48 mph (53.88 km/h)
35 mph (56.33 km/h)39.06 mph (62.86 km/h)
40 mph (64.37 km/h)44.64 mph (71.85 km/h)
45 mph (72.42 km/h)50.22 mph (80.83 km/h)
50 mph (80.47 km/h)55.8 mph (89.81 km/h)
55 mph (88.51 km/h)61.38 mph (98.79 km/h)
60 mph (96.56 km/h)66.96 mph (107.77 km/h)
65 mph (104.61 km/h)72.54 mph (116.75 km/h)
70 mph (112.65 km/h)78.12 mph (125.73 km/h)
75 mph (120.7 km/h)83.71 mph (134.71 km/h)
80 mph (128.75 km/h)89.29 mph (143.69 km/h)
85 mph (136.79 km/h)94.87 mph (152.67 km/h)
90 mph (144.84 km/h)100.45 mph (161.65 km/h)
95 mph (152.89 km/h)106.03 mph (170.63 km/h)
100 mph (160.93 km/h)111.61 mph (179.61 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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