Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
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325/40r22 vs 295/35r24 Tire Comparison Side By Side
  325/40-22 295/35-24 Difference
Diameter inches (mm) 32.24 (818.8) 32.13 (816.1) -0.11 (-2.7) -0.3%
Width inches (mm) 12.8 (325) 11.61 (295) -1.18 (-30) -9.2%
Circum. inches (mm) 101.27 (2572.34) 100.94 (2563.85) -0.33 (-8.48) -0.3%
Sidewall Height inches (mm) 5.12 (130) 4.06 (103.25) -1.05 (-26.75) -20.6%
Revolutions per mile (km) 625.64 (388.75) 627.71 (390.04) 2.07 (1.29) 0.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.93 mph (32.08 km/h)
25 mph (40.23 km/h)24.92 mph (40.1 km/h)
30 mph (48.28 km/h)29.9 mph (48.12 km/h)
35 mph (56.33 km/h)34.88 mph (56.14 km/h)
40 mph (64.37 km/h)39.87 mph (64.16 km/h)
45 mph (72.42 km/h)44.85 mph (72.18 km/h)
50 mph (80.47 km/h)49.84 mph (80.2 km/h)
55 mph (88.51 km/h)54.82 mph (88.22 km/h)
60 mph (96.56 km/h)59.8 mph (96.24 km/h)
65 mph (104.61 km/h)64.79 mph (104.26 km/h)
70 mph (112.65 km/h)69.77 mph (112.28 km/h)
75 mph (120.7 km/h)74.75 mph (120.3 km/h)
80 mph (128.75 km/h)79.74 mph (128.32 km/h)
85 mph (136.79 km/h)84.72 mph (136.34 km/h)
90 mph (144.84 km/h)89.7 mph (144.36 km/h)
95 mph (152.89 km/h)94.69 mph (152.38 km/h)
100 mph (160.93 km/h)99.67 mph (160.4 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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