Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
33/14.5r22 vs 33/12.5r20 Tire Comparison Side By Side
  33/14.5-22 33/12.5-20 Difference
Diameter inches (mm) 33.01 (838.48) 33.02 (838.72) 0.01 (0.24) 0%
Width inches (mm) 14.49 (368) 12.52 (318) -1.97 (-50) -13.6%
Circum. inches (mm) 103.71 (2634.16) 103.74 (2634.92) 0.03 (0.75) 0%
Sidewall Height inches (mm) 5.51 (139.84) 6.51 (165.36) 1 (25.52) 18.2%
Revolutions per mile (km) 610.95 (379.63) 610.78 (379.52) -0.17 (-0.11) -0%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.01 mph (32.2 km/h)
25 mph (40.23 km/h)25.01 mph (40.25 km/h)
30 mph (48.28 km/h)30.01 mph (48.29 km/h)
35 mph (56.33 km/h)35.01 mph (56.34 km/h)
40 mph (64.37 km/h)40.01 mph (64.39 km/h)
45 mph (72.42 km/h)45.01 mph (72.44 km/h)
50 mph (80.47 km/h)50.01 mph (80.49 km/h)
55 mph (88.51 km/h)55.02 mph (88.54 km/h)
60 mph (96.56 km/h)60.02 mph (96.59 km/h)
65 mph (104.61 km/h)65.02 mph (104.64 km/h)
70 mph (112.65 km/h)70.02 mph (112.69 km/h)
75 mph (120.7 km/h)75.02 mph (120.74 km/h)
80 mph (128.75 km/h)80.02 mph (128.78 km/h)
85 mph (136.79 km/h)85.02 mph (136.83 km/h)
90 mph (144.84 km/h)90.03 mph (144.88 km/h)
95 mph (152.89 km/h)95.03 mph (152.93 km/h)
100 mph (160.93 km/h)100.03 mph (160.98 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
15541806194520312123218922622348246725862718282430163228339334993558377740814742
Better Fuel Economy Factory Ratios Increased Power

Most Popular 33/14.5-R22 Comparisons

To Top