Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
145/65r14 vs 95/110r14 Tire Comparison Side By Side
  145/65-14 95/110-14 Difference
Diameter inches (mm) 21.42 (544.1) 22.23 (564.6) 0.81 (20.5) 3.8%
Width inches (mm) 5.71 (145) 3.74 (95) -1.97 (-50) -34.5%
Circum. inches (mm) 67.3 (1709.34) 69.83 (1773.74) 2.54 (64.4) 3.8%
Sidewall Height inches (mm) 3.71 (94.25) 4.11 (104.5) 0.4 (10.25) 10.9%
Revolutions per mile (km) 941.5 (585.02) 907.32 (563.78) -34.18 (-21.24) -3.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.75 mph (33.4 km/h)
25 mph (40.23 km/h)25.94 mph (41.75 km/h)
30 mph (48.28 km/h)31.13 mph (50.1 km/h)
35 mph (56.33 km/h)36.32 mph (58.45 km/h)
40 mph (64.37 km/h)41.51 mph (66.8 km/h)
45 mph (72.42 km/h)46.7 mph (75.15 km/h)
50 mph (80.47 km/h)51.88 mph (83.5 km/h)
55 mph (88.51 km/h)57.07 mph (91.85 km/h)
60 mph (96.56 km/h)62.26 mph (100.2 km/h)
65 mph (104.61 km/h)67.45 mph (108.55 km/h)
70 mph (112.65 km/h)72.64 mph (116.9 km/h)
75 mph (120.7 km/h)77.83 mph (125.25 km/h)
80 mph (128.75 km/h)83.01 mph (133.6 km/h)
85 mph (136.79 km/h)88.2 mph (141.95 km/h)
90 mph (144.84 km/h)93.39 mph (150.3 km/h)
95 mph (152.89 km/h)98.58 mph (158.65 km/h)
100 mph (160.93 km/h)103.77 mph (167 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
23092682288930163154325233603488366538424038419544804795504051985286561060627045
Better Fuel Economy Factory Ratios Increased Power

Most Popular 145/65-R14 Comparisons

To Top