Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
175/55r14 vs 195/60r14 Tire Comparison Side By Side
  175/55-14 195/60-14 Difference
Diameter inches (mm) 21.58 (548.1) 23.21 (589.6) 1.63 (41.5) 7.6%
Width inches (mm) 6.89 (175) 7.68 (195) 0.79 (20) 11.4%
Circum. inches (mm) 67.79 (1721.91) 72.92 (1852.28) 5.13 (130.38) 7.6%
Sidewall Height inches (mm) 3.79 (96.25) 4.61 (117) 0.82 (20.75) 21.6%
Revolutions per mile (km) 934.63 (580.75) 868.84 (539.87) -65.79 (-40.88) -7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.51 mph (34.62 km/h)
25 mph (40.23 km/h)26.89 mph (43.28 km/h)
30 mph (48.28 km/h)32.27 mph (51.94 km/h)
35 mph (56.33 km/h)37.65 mph (60.59 km/h)
40 mph (64.37 km/h)43.03 mph (69.25 km/h)
45 mph (72.42 km/h)48.41 mph (77.9 km/h)
50 mph (80.47 km/h)53.79 mph (86.56 km/h)
55 mph (88.51 km/h)59.16 mph (95.22 km/h)
60 mph (96.56 km/h)64.54 mph (103.87 km/h)
65 mph (104.61 km/h)69.92 mph (112.53 km/h)
70 mph (112.65 km/h)75.3 mph (121.18 km/h)
75 mph (120.7 km/h)80.68 mph (129.84 km/h)
80 mph (128.75 km/h)86.06 mph (138.5 km/h)
85 mph (136.79 km/h)91.44 mph (147.15 km/h)
90 mph (144.84 km/h)96.81 mph (155.81 km/h)
95 mph (152.89 km/h)102.19 mph (164.46 km/h)
100 mph (160.93 km/h)107.57 mph (173.12 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
22112569276628883020311432183340350936793867401842904591482749775062537258056746
Better Fuel Economy Factory Ratios Increased Power

Most Popular 175/55-R14 Comparisons

To Top