Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/60r17 vs 90/80r17 Tire Comparison Side By Side
  110/60-17 90/80-17 Difference
Diameter inches (mm) 22.2 (563.8) 22.67 (575.8) 0.47 (12) 2.1%
Width inches (mm) 4.33 (110) 3.54 (90) -0.79 (-20) -18.2%
Circum. inches (mm) 69.73 (1771.23) 71.22 (1808.93) 1.48 (37.7) 2.1%
Sidewall Height inches (mm) 2.6 (66) 2.83 (72) 0.24 (6) 9.1%
Revolutions per mile (km) 908.6 (564.58) 889.67 (552.81) -18.94 (-11.77) -2.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.43 mph (32.87 km/h)
25 mph (40.23 km/h)25.53 mph (41.09 km/h)
30 mph (48.28 km/h)30.64 mph (49.31 km/h)
35 mph (56.33 km/h)35.74 mph (57.53 km/h)
40 mph (64.37 km/h)40.85 mph (65.74 km/h)
45 mph (72.42 km/h)45.96 mph (73.96 km/h)
50 mph (80.47 km/h)51.06 mph (82.18 km/h)
55 mph (88.51 km/h)56.17 mph (90.4 km/h)
60 mph (96.56 km/h)61.28 mph (98.62 km/h)
65 mph (104.61 km/h)66.38 mph (106.83 km/h)
70 mph (112.65 km/h)71.49 mph (115.05 km/h)
75 mph (120.7 km/h)76.6 mph (123.27 km/h)
80 mph (128.75 km/h)81.7 mph (131.49 km/h)
85 mph (136.79 km/h)86.81 mph (139.71 km/h)
90 mph (144.84 km/h)91.92 mph (147.92 km/h)
95 mph (152.89 km/h)97.02 mph (156.14 km/h)
100 mph (160.93 km/h)102.13 mph (164.36 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
22642630283229583093318932953420359437673960411443934701494250965183550159446908
Better Fuel Economy Factory Ratios Increased Power

Most Popular 110/60-R17 Comparisons

To Top