Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/65r17 vs 225/65r17 Tire Comparison Side By Side
  265/65-17 225/65-17 Difference
Diameter inches (mm) 30.56 (776.3) 28.52 (724.3) -2.05 (-52) -6.7%
Width inches (mm) 10.43 (265) 8.86 (225) -1.57 (-40) -15.1%
Circum. inches (mm) 96.02 (2438.82) 89.58 (2275.46) -6.43 (-163.36) -6.7%
Sidewall Height inches (mm) 6.78 (172.25) 5.76 (146.25) -1.02 (-26) -15.1%
Revolutions per mile (km) 659.89 (410.03) 707.26 (439.47) 47.38 (29.44) 7.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.66 mph (30.03 km/h)
25 mph (40.23 km/h)23.33 mph (37.54 km/h)
30 mph (48.28 km/h)27.99 mph (45.05 km/h)
35 mph (56.33 km/h)32.66 mph (52.55 km/h)
40 mph (64.37 km/h)37.32 mph (60.06 km/h)
45 mph (72.42 km/h)41.99 mph (67.57 km/h)
50 mph (80.47 km/h)46.65 mph (75.08 km/h)
55 mph (88.51 km/h)51.32 mph (82.59 km/h)
60 mph (96.56 km/h)55.98 mph (90.09 km/h)
65 mph (104.61 km/h)60.65 mph (97.6 km/h)
70 mph (112.65 km/h)65.31 mph (105.11 km/h)
75 mph (120.7 km/h)69.98 mph (112.62 km/h)
80 mph (128.75 km/h)74.64 mph (120.12 km/h)
85 mph (136.79 km/h)79.31 mph (127.63 km/h)
90 mph (144.84 km/h)83.97 mph (135.14 km/h)
95 mph (152.89 km/h)88.64 mph (142.65 km/h)
100 mph (160.93 km/h)93.3 mph (150.15 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
18002091225223512459253526192719285729953148327034923738392940524121437347265491
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/65-R17 Comparisons

To Top