Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/65r18 vs 265/75r16 Tire Comparison Side By Side
  265/65-18 265/75-16 Difference
Diameter inches (mm) 31.56 (801.7) 31.65 (803.9) 0.09 (2.2) 0.3%
Width inches (mm) 10.43 (265) 10.43 (265) 0 (0) 0%
Circum. inches (mm) 99.16 (2518.61) 99.43 (2525.53) 0.27 (6.91) 0.3%
Sidewall Height inches (mm) 6.78 (172.25) 7.82 (198.75) 1.04 (26.5) 15.4%
Revolutions per mile (km) 638.98 (397.04) 637.23 (395.96) -1.75 (-1.09) -0.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.05 mph (32.28 km/h)
25 mph (40.23 km/h)25.07 mph (40.34 km/h)
30 mph (48.28 km/h)30.08 mph (48.41 km/h)
35 mph (56.33 km/h)35.1 mph (56.48 km/h)
40 mph (64.37 km/h)40.11 mph (64.55 km/h)
45 mph (72.42 km/h)45.12 mph (72.62 km/h)
50 mph (80.47 km/h)50.14 mph (80.69 km/h)
55 mph (88.51 km/h)55.15 mph (88.76 km/h)
60 mph (96.56 km/h)60.16 mph (96.83 km/h)
65 mph (104.61 km/h)65.18 mph (104.89 km/h)
70 mph (112.65 km/h)70.19 mph (112.96 km/h)
75 mph (120.7 km/h)75.21 mph (121.03 km/h)
80 mph (128.75 km/h)80.22 mph (129.1 km/h)
85 mph (136.79 km/h)85.23 mph (137.17 km/h)
90 mph (144.84 km/h)90.25 mph (145.24 km/h)
95 mph (152.89 km/h)95.26 mph (153.31 km/h)
100 mph (160.93 km/h)100.27 mph (161.38 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
16221884202921182215228423602450257426982836294731473367354036503713394042584948
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/65-R18 Comparisons

To Top