Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
235/35r17 vs 245/35r19 Tire Comparison Side By Side
  235/35-17 245/35-19 Difference
Diameter inches (mm) 23.48 (596.3) 25.75 (654.1) 2.28 (57.8) 9.7%
Width inches (mm) 9.25 (235) 9.65 (245) 0.39 (10) 4.3%
Circum. inches (mm) 73.75 (1873.33) 80.9 (2054.92) 7.15 (181.58) 9.7%
Sidewall Height inches (mm) 3.24 (82.25) 3.38 (85.75) 0.14 (3.5) 4.3%
Revolutions per mile (km) 859.08 (533.81) 783.17 (486.64) -75.91 (-47.17) -8.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.94 mph (35.31 km/h)
25 mph (40.23 km/h)27.42 mph (44.13 km/h)
30 mph (48.28 km/h)32.91 mph (52.96 km/h)
35 mph (56.33 km/h)38.39 mph (61.79 km/h)
40 mph (64.37 km/h)43.88 mph (70.61 km/h)
45 mph (72.42 km/h)49.36 mph (79.44 km/h)
50 mph (80.47 km/h)54.85 mph (88.27 km/h)
55 mph (88.51 km/h)60.33 mph (97.09 km/h)
60 mph (96.56 km/h)65.82 mph (105.92 km/h)
65 mph (104.61 km/h)71.3 mph (114.75 km/h)
70 mph (112.65 km/h)76.79 mph (123.57 km/h)
75 mph (120.7 km/h)82.27 mph (132.4 km/h)
80 mph (128.75 km/h)87.75 mph (141.23 km/h)
85 mph (136.79 km/h)93.24 mph (150.05 km/h)
90 mph (144.84 km/h)98.72 mph (158.88 km/h)
95 mph (152.89 km/h)104.21 mph (167.71 km/h)
100 mph (160.93 km/h)109.69 mph (176.53 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
19932315249326042722280729003011316333163486362138674139435144864563484352336081
Better Fuel Economy Factory Ratios Increased Power

Most Popular 235/35-R17 Comparisons

To Top