Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/75r18 vs 295/70r18 Tire Comparison Side By Side
  265/75-18 295/70-18 Difference
Diameter inches (mm) 33.65 (854.7) 34.26 (870.2) 0.61 (15.5) 1.8%
Width inches (mm) 10.43 (265) 11.61 (295) 1.18 (30) 11.3%
Circum. inches (mm) 105.71 (2685.12) 107.63 (2733.81) 1.92 (48.69) 1.8%
Sidewall Height inches (mm) 7.82 (198.75) 8.13 (206.5) 0.31 (7.75) 3.9%
Revolutions per mile (km) 599.36 (372.42) 588.68 (365.79) -10.68 (-6.63) -1.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.36 mph (32.77 km/h)
25 mph (40.23 km/h)25.45 mph (40.96 km/h)
30 mph (48.28 km/h)30.54 mph (49.16 km/h)
35 mph (56.33 km/h)35.63 mph (57.35 km/h)
40 mph (64.37 km/h)40.73 mph (65.54 km/h)
45 mph (72.42 km/h)45.82 mph (73.73 km/h)
50 mph (80.47 km/h)50.91 mph (81.93 km/h)
55 mph (88.51 km/h)56 mph (90.12 km/h)
60 mph (96.56 km/h)61.09 mph (98.31 km/h)
65 mph (104.61 km/h)66.18 mph (106.5 km/h)
70 mph (112.65 km/h)71.27 mph (114.7 km/h)
75 mph (120.7 km/h)76.36 mph (122.89 km/h)
80 mph (128.75 km/h)81.45 mph (131.08 km/h)
85 mph (136.79 km/h)86.54 mph (139.28 km/h)
90 mph (144.84 km/h)91.63 mph (147.47 km/h)
95 mph (152.89 km/h)96.72 mph (155.66 km/h)
100 mph (160.93 km/h)101.81 mph (163.85 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
14981740187419572046211021802263237824932620272229073111327033723430364039334571
Better Fuel Economy Factory Ratios Increased Power

Most Popular 265/75-R18 Comparisons

To Top