Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
245/70r17 vs 335/35r17 Tire Comparison Side By Side
  245/70-17 335/35-17 Difference
Diameter inches (mm) 30.5 (774.8) 26.23 (666.3) -4.27 (-108.5) -14%
Width inches (mm) 9.65 (245) 13.19 (335) 3.54 (90) 36.7%
Circum. inches (mm) 95.83 (2434.11) 82.41 (2093.24) -13.42 (-340.86) -14%
Sidewall Height inches (mm) 6.75 (171.5) 4.62 (117.25) -2.14 (-54.25) -31.6%
Revolutions per mile (km) 661.16 (410.83) 768.83 (477.73) 107.66 (66.9) 16.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)17.2 mph (27.68 km/h)
25 mph (40.23 km/h)21.5 mph (34.6 km/h)
30 mph (48.28 km/h)25.8 mph (41.52 km/h)
35 mph (56.33 km/h)30.1 mph (48.44 km/h)
40 mph (64.37 km/h)34.4 mph (55.36 km/h)
45 mph (72.42 km/h)38.7 mph (62.28 km/h)
50 mph (80.47 km/h)43 mph (69.2 km/h)
55 mph (88.51 km/h)47.3 mph (76.12 km/h)
60 mph (96.56 km/h)51.6 mph (83.04 km/h)
65 mph (104.61 km/h)55.9 mph (89.96 km/h)
70 mph (112.65 km/h)60.2 mph (96.88 km/h)
75 mph (120.7 km/h)64.5 mph (103.8 km/h)
80 mph (128.75 km/h)68.8 mph (110.72 km/h)
85 mph (136.79 km/h)73.1 mph (117.64 km/h)
90 mph (144.84 km/h)77.4 mph (124.56 km/h)
95 mph (152.89 km/h)81.7 mph (131.48 km/h)
100 mph (160.93 km/h)86 mph (138.4 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
19572273244825562673275628472956310532553422355537964063427144044479475451375969
Better Fuel Economy Factory Ratios Increased Power

Most Popular 245/70-R17 Comparisons

To Top