Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/70r14 vs 110/80r14 Tire Comparison Side By Side
  110/70-14 110/80-14 Difference
Diameter inches (mm) 20.06 (509.6) 20.93 (531.6) 0.87 (22) 4.3%
Width inches (mm) 4.33 (110) 4.33 (110) 0 (0) 0%
Circum. inches (mm) 63.03 (1600.96) 65.75 (1670.07) 2.72 (69.12) 4.3%
Sidewall Height inches (mm) 3.03 (77) 3.46 (88) 0.43 (11) 14.3%
Revolutions per mile (km) 1005.24 (624.63) 963.64 (598.78) -41.6 (-25.85) -4.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.86 mph (33.58 km/h)
25 mph (40.23 km/h)26.08 mph (41.97 km/h)
30 mph (48.28 km/h)31.3 mph (50.36 km/h)
35 mph (56.33 km/h)36.51 mph (58.76 km/h)
40 mph (64.37 km/h)41.73 mph (67.15 km/h)
45 mph (72.42 km/h)46.94 mph (75.55 km/h)
50 mph (80.47 km/h)52.16 mph (83.94 km/h)
55 mph (88.51 km/h)57.37 mph (92.34 km/h)
60 mph (96.56 km/h)62.59 mph (100.73 km/h)
65 mph (104.61 km/h)67.81 mph (109.12 km/h)
70 mph (112.65 km/h)73.02 mph (117.52 km/h)
75 mph (120.7 km/h)78.24 mph (125.91 km/h)
80 mph (128.75 km/h)83.45 mph (134.31 km/h)
85 mph (136.79 km/h)88.67 mph (142.7 km/h)
90 mph (144.84 km/h)93.89 mph (151.09 km/h)
95 mph (152.89 km/h)99.1 mph (159.49 km/h)
100 mph (160.93 km/h)104.32 mph (167.88 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
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Better Fuel Economy Factory Ratios Increased Power

Most Popular 110/70-R14 Comparisons

To Top