Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/40r22 vs 325/35r22 Tire Comparison Side By Side
  295/40-22 325/35-22 Difference
Diameter inches (mm) 31.29 (794.8) 30.96 (786.3) -0.33 (-8.5) -1.1%
Width inches (mm) 11.61 (295) 12.8 (325) 1.18 (30) 10.2%
Circum. inches (mm) 98.3 (2496.94) 97.25 (2470.23) -1.05 (-26.7) -1.1%
Sidewall Height inches (mm) 4.65 (118) 4.48 (113.75) -0.17 (-4.25) -3.6%
Revolutions per mile (km) 644.53 (400.49) 651.49 (404.82) 6.97 (4.33) 1.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.79 mph (31.84 km/h)
25 mph (40.23 km/h)24.73 mph (39.8 km/h)
30 mph (48.28 km/h)29.68 mph (47.76 km/h)
35 mph (56.33 km/h)34.63 mph (55.72 km/h)
40 mph (64.37 km/h)39.57 mph (63.69 km/h)
45 mph (72.42 km/h)44.52 mph (71.65 km/h)
50 mph (80.47 km/h)49.47 mph (79.61 km/h)
55 mph (88.51 km/h)54.41 mph (87.57 km/h)
60 mph (96.56 km/h)59.36 mph (95.53 km/h)
65 mph (104.61 km/h)64.3 mph (103.49 km/h)
70 mph (112.65 km/h)69.25 mph (111.45 km/h)
75 mph (120.7 km/h)74.2 mph (119.41 km/h)
80 mph (128.75 km/h)79.14 mph (127.37 km/h)
85 mph (136.79 km/h)84.09 mph (135.33 km/h)
90 mph (144.84 km/h)89.04 mph (143.29 km/h)
95 mph (152.89 km/h)93.98 mph (151.25 km/h)
100 mph (160.93 km/h)98.93 mph (159.21 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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