Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
165/65r14 vs 195/55r16 Tire Comparison Side By Side
  165/65-14 195/55-16 Difference
Diameter inches (mm) 22.44 (570.1) 24.44 (620.9) 2 (50.8) 8.9%
Width inches (mm) 6.5 (165) 7.68 (195) 1.18 (30) 18.2%
Circum. inches (mm) 70.51 (1791.02) 76.8 (1950.61) 6.28 (159.59) 8.9%
Sidewall Height inches (mm) 4.22 (107.25) 4.22 (107.25) 0 (0) 0%
Revolutions per mile (km) 898.56 (558.34) 825.04 (512.66) -73.52 (-45.68) -8.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.78 mph (35.06 km/h)
25 mph (40.23 km/h)27.23 mph (43.82 km/h)
30 mph (48.28 km/h)32.67 mph (52.58 km/h)
35 mph (56.33 km/h)38.12 mph (61.35 km/h)
40 mph (64.37 km/h)43.56 mph (70.11 km/h)
45 mph (72.42 km/h)49.01 mph (78.87 km/h)
50 mph (80.47 km/h)54.46 mph (87.64 km/h)
55 mph (88.51 km/h)59.9 mph (96.4 km/h)
60 mph (96.56 km/h)65.35 mph (105.17 km/h)
65 mph (104.61 km/h)70.79 mph (113.93 km/h)
70 mph (112.65 km/h)76.24 mph (122.69 km/h)
75 mph (120.7 km/h)81.68 mph (131.46 km/h)
80 mph (128.75 km/h)87.13 mph (140.22 km/h)
85 mph (136.79 km/h)92.57 mph (148.98 km/h)
90 mph (144.84 km/h)98.02 mph (157.75 km/h)
95 mph (152.89 km/h)103.47 mph (166.51 km/h)
100 mph (160.93 km/h)108.91 mph (175.28 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
21002439262727432868295730563172333334933672381540744360458347264807510255136406
Better Fuel Economy Factory Ratios Increased Power

Most Popular 165/65-R14 Comparisons

To Top