Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
315/25r22 vs 295/30r22 Tire Comparison Side By Side
  315/25-22 295/30-22 Difference
Diameter inches (mm) 28.2 (716.3) 28.97 (735.8) 0.77 (19.5) 2.7%
Width inches (mm) 12.4 (315) 11.61 (295) -0.79 (-20) -6.3%
Circum. inches (mm) 88.6 (2250.32) 91.01 (2311.58) 2.41 (61.26) 2.7%
Sidewall Height inches (mm) 3.1 (78.75) 3.48 (88.5) 0.38 (9.75) 12.4%
Revolutions per mile (km) 715.16 (444.38) 696.21 (432.6) -18.95 (-11.78) -2.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.54 mph (33.06 km/h)
25 mph (40.23 km/h)25.68 mph (41.33 km/h)
30 mph (48.28 km/h)30.82 mph (49.59 km/h)
35 mph (56.33 km/h)35.95 mph (57.86 km/h)
40 mph (64.37 km/h)41.09 mph (66.13 km/h)
45 mph (72.42 km/h)46.23 mph (74.39 km/h)
50 mph (80.47 km/h)51.36 mph (82.66 km/h)
55 mph (88.51 km/h)56.5 mph (90.92 km/h)
60 mph (96.56 km/h)61.63 mph (99.19 km/h)
65 mph (104.61 km/h)66.77 mph (107.46 km/h)
70 mph (112.65 km/h)71.91 mph (115.72 km/h)
75 mph (120.7 km/h)77.04 mph (123.99 km/h)
80 mph (128.75 km/h)82.18 mph (132.25 km/h)
85 mph (136.79 km/h)87.31 mph (140.52 km/h)
90 mph (144.84 km/h)92.45 mph (148.78 km/h)
95 mph (152.89 km/h)97.59 mph (157.05 km/h)
100 mph (160.93 km/h)102.72 mph (165.32 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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