Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/30r18 vs 295/35r18 Tire Comparison Side By Side
  295/30-18 295/35-18 Difference
Diameter inches (mm) 24.97 (634.2) 26.13 (663.7) 1.16 (29.5) 4.7%
Width inches (mm) 11.61 (295) 11.61 (295) 0 (0) 0%
Circum. inches (mm) 78.44 (1992.4) 82.09 (2085.08) 3.65 (92.68) 4.7%
Sidewall Height inches (mm) 3.48 (88.5) 4.06 (103.25) 0.58 (14.75) 16.7%
Revolutions per mile (km) 807.74 (501.91) 771.84 (479.6) -35.9 (-22.31) -4.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.93 mph (33.68 km/h)
25 mph (40.23 km/h)26.16 mph (42.11 km/h)
30 mph (48.28 km/h)31.4 mph (50.53 km/h)
35 mph (56.33 km/h)36.63 mph (58.95 km/h)
40 mph (64.37 km/h)41.86 mph (67.37 km/h)
45 mph (72.42 km/h)47.09 mph (75.79 km/h)
50 mph (80.47 km/h)52.33 mph (84.21 km/h)
55 mph (88.51 km/h)57.56 mph (92.63 km/h)
60 mph (96.56 km/h)62.79 mph (101.05 km/h)
65 mph (104.61 km/h)68.02 mph (109.47 km/h)
70 mph (112.65 km/h)73.26 mph (117.89 km/h)
75 mph (120.7 km/h)78.49 mph (126.32 km/h)
80 mph (128.75 km/h)83.72 mph (134.74 km/h)
85 mph (136.79 km/h)88.95 mph (143.16 km/h)
90 mph (144.84 km/h)94.19 mph (151.58 km/h)
95 mph (152.89 km/h)99.42 mph (160 km/h)
100 mph (160.93 km/h)104.65 mph (168.42 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
19642282245725662683276728592967311832683435356938114079428844224497477351575993
Better Fuel Economy Factory Ratios Increased Power

Most Popular 295/30-R18 Comparisons

To Top