Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
365/70r22.5 vs 295/75r22.5 Tire Comparison Side By Side
  365/70-22.5 295/75-22.5 Difference
Diameter inches (mm) 42.62 (1082.5) 39.92 (1014) -2.7 (-68.5) -6.3%
Width inches (mm) 14.37 (365) 11.61 (295) -2.76 (-70) -19.2%
Circum. inches (mm) 133.89 (3400.77) 125.42 (3185.57) -8.47 (-215.2) -6.3%
Sidewall Height inches (mm) 10.06 (255.5) 8.71 (221.25) -1.35 (-34.25) -13.4%
Revolutions per mile (km) 473.23 (294.05) 505.2 (313.91) 31.97 (19.86) 6.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.73 mph (30.15 km/h)
25 mph (40.23 km/h)23.42 mph (37.69 km/h)
30 mph (48.28 km/h)28.1 mph (45.23 km/h)
35 mph (56.33 km/h)32.79 mph (52.76 km/h)
40 mph (64.37 km/h)37.47 mph (60.3 km/h)
45 mph (72.42 km/h)42.15 mph (67.84 km/h)
50 mph (80.47 km/h)46.84 mph (75.38 km/h)
55 mph (88.51 km/h)51.52 mph (82.91 km/h)
60 mph (96.56 km/h)56.2 mph (90.45 km/h)
65 mph (104.61 km/h)60.89 mph (97.99 km/h)
70 mph (112.65 km/h)65.57 mph (105.53 km/h)
75 mph (120.7 km/h)70.25 mph (113.06 km/h)
80 mph (128.75 km/h)74.94 mph (120.6 km/h)
85 mph (136.79 km/h)79.62 mph (128.14 km/h)
90 mph (144.84 km/h)84.3 mph (135.68 km/h)
95 mph (152.89 km/h)88.99 mph (143.21 km/h)
100 mph (160.93 km/h)93.67 mph (150.75 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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