Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
165/60r14 vs 175/65r14 Tire Comparison Side By Side
  165/60-14 175/65-14 Difference
Diameter inches (mm) 21.8 (553.6) 22.96 (583.1) 1.16 (29.5) 5.3%
Width inches (mm) 6.5 (165) 6.89 (175) 0.39 (10) 6.1%
Circum. inches (mm) 68.47 (1739.19) 72.12 (1831.86) 3.65 (92.68) 5.3%
Sidewall Height inches (mm) 3.9 (99) 4.48 (113.75) 0.58 (14.75) 14.9%
Revolutions per mile (km) 925.34 (574.98) 878.53 (545.89) -46.81 (-29.09) -5.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.07 mph (33.9 km/h)
25 mph (40.23 km/h)26.33 mph (42.38 km/h)
30 mph (48.28 km/h)31.6 mph (50.85 km/h)
35 mph (56.33 km/h)36.87 mph (59.33 km/h)
40 mph (64.37 km/h)42.13 mph (67.8 km/h)
45 mph (72.42 km/h)47.4 mph (76.28 km/h)
50 mph (80.47 km/h)52.66 mph (84.76 km/h)
55 mph (88.51 km/h)57.93 mph (93.23 km/h)
60 mph (96.56 km/h)63.2 mph (101.71 km/h)
65 mph (104.61 km/h)68.46 mph (110.18 km/h)
70 mph (112.65 km/h)73.73 mph (118.66 km/h)
75 mph (120.7 km/h)79 mph (127.13 km/h)
80 mph (128.75 km/h)84.26 mph (135.61 km/h)
85 mph (136.79 km/h)89.53 mph (144.08 km/h)
90 mph (144.84 km/h)94.8 mph (152.56 km/h)
95 mph (152.89 km/h)100.06 mph (161.04 km/h)
100 mph (160.93 km/h)105.33 mph (169.51 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
22362597279729213054314932543377354937203910406243384643488050335118543258706821
Better Fuel Economy Factory Ratios Increased Power

Most Popular 165/60-R14 Comparisons

To Top