Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
255/35r19 vs 245/35r19 Tire Comparison Side By Side
  255/35-19 245/35-19 Difference
Diameter inches (mm) 26.03 (661.1) 25.75 (654.1) -0.28 (-7) -1.1%
Width inches (mm) 10.04 (255) 9.65 (245) -0.39 (-10) -3.9%
Circum. inches (mm) 81.77 (2076.91) 80.9 (2054.92) -0.87 (-21.99) -1.1%
Sidewall Height inches (mm) 3.51 (89.25) 3.38 (85.75) -0.14 (-3.5) -3.9%
Revolutions per mile (km) 774.88 (481.48) 783.17 (486.64) 8.29 (5.15) 1.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.79 mph (31.85 km/h)
25 mph (40.23 km/h)24.74 mph (39.81 km/h)
30 mph (48.28 km/h)29.68 mph (47.77 km/h)
35 mph (56.33 km/h)34.63 mph (55.73 km/h)
40 mph (64.37 km/h)39.58 mph (63.69 km/h)
45 mph (72.42 km/h)44.52 mph (71.65 km/h)
50 mph (80.47 km/h)49.47 mph (79.62 km/h)
55 mph (88.51 km/h)54.42 mph (87.58 km/h)
60 mph (96.56 km/h)59.36 mph (95.54 km/h)
65 mph (104.61 km/h)64.31 mph (103.5 km/h)
70 mph (112.65 km/h)69.26 mph (111.46 km/h)
75 mph (120.7 km/h)74.21 mph (119.42 km/h)
80 mph (128.75 km/h)79.15 mph (127.38 km/h)
85 mph (136.79 km/h)84.1 mph (135.35 km/h)
90 mph (144.84 km/h)89.05 mph (143.31 km/h)
95 mph (152.89 km/h)93.99 mph (151.27 km/h)
100 mph (160.93 km/h)98.94 mph (159.23 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 255/35-R19 Comparisons

To Top