Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
225/80r22.5 vs 275/80r22.5 Tire Comparison Side By Side
  225/80-22.5 275/80-22.5 Difference
Diameter inches (mm) 36.67 (931.5) 39.82 (1011.5) 3.15 (80) 8.6%
Width inches (mm) 8.86 (225) 10.83 (275) 1.97 (50) 22.2%
Circum. inches (mm) 115.21 (2926.39) 125.11 (3177.72) 9.89 (251.33) 8.6%
Sidewall Height inches (mm) 7.09 (180) 8.66 (220) 1.57 (40) 22.2%
Revolutions per mile (km) 549.94 (341.72) 506.45 (314.69) -43.5 (-27.03) -7.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.72 mph (34.95 km/h)
25 mph (40.23 km/h)27.15 mph (43.69 km/h)
30 mph (48.28 km/h)32.58 mph (52.43 km/h)
35 mph (56.33 km/h)38.01 mph (61.16 km/h)
40 mph (64.37 km/h)43.44 mph (69.9 km/h)
45 mph (72.42 km/h)48.86 mph (78.64 km/h)
50 mph (80.47 km/h)54.29 mph (87.38 km/h)
55 mph (88.51 km/h)59.72 mph (96.12 km/h)
60 mph (96.56 km/h)65.15 mph (104.85 km/h)
65 mph (104.61 km/h)70.58 mph (113.59 km/h)
70 mph (112.65 km/h)76.01 mph (122.33 km/h)
75 mph (120.7 km/h)81.44 mph (131.07 km/h)
80 mph (128.75 km/h)86.87 mph (139.81 km/h)
85 mph (136.79 km/h)92.3 mph (148.54 km/h)
90 mph (144.84 km/h)97.73 mph (157.28 km/h)
95 mph (152.89 km/h)103.16 mph (166.02 km/h)
100 mph (160.93 km/h)108.59 mph (174.76 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
12891497161216841760181518761947204621442254234225012676281329012951313233843932
Better Fuel Economy Factory Ratios Increased Power

Most Popular 225/80-R22.5 Comparisons

To Top