Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/70r14 vs 235/60r14 Tire Comparison Side By Side
  215/70-14 235/60-14 Difference
Diameter inches (mm) 25.85 (656.6) 25.1 (637.6) -0.75 (-19) -2.9%
Width inches (mm) 8.46 (215) 9.25 (235) 0.79 (20) 9.3%
Circum. inches (mm) 81.21 (2062.77) 78.86 (2003.08) -2.35 (-59.69) -2.9%
Sidewall Height inches (mm) 5.93 (150.5) 5.55 (141) -0.37 (-9.5) -6.3%
Revolutions per mile (km) 780.19 (484.78) 803.43 (499.23) 23.25 (14.45) 3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.42 mph (31.26 km/h)
25 mph (40.23 km/h)24.28 mph (39.07 km/h)
30 mph (48.28 km/h)29.13 mph (46.88 km/h)
35 mph (56.33 km/h)33.99 mph (54.7 km/h)
40 mph (64.37 km/h)38.84 mph (62.51 km/h)
45 mph (72.42 km/h)43.7 mph (70.32 km/h)
50 mph (80.47 km/h)48.55 mph (78.14 km/h)
55 mph (88.51 km/h)53.41 mph (85.95 km/h)
60 mph (96.56 km/h)58.26 mph (93.77 km/h)
65 mph (104.61 km/h)63.12 mph (101.58 km/h)
70 mph (112.65 km/h)67.97 mph (109.39 km/h)
75 mph (120.7 km/h)72.83 mph (117.21 km/h)
80 mph (128.75 km/h)77.69 mph (125.02 km/h)
85 mph (136.79 km/h)82.54 mph (132.84 km/h)
90 mph (144.84 km/h)87.4 mph (140.65 km/h)
95 mph (152.89 km/h)92.25 mph (148.46 km/h)
100 mph (160.93 km/h)97.11 mph (156.28 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
20452375255826712793288029763089324534023576371539674246446346024681496853686238
Better Fuel Economy Factory Ratios Increased Power

Most Popular 215/70-R14 Comparisons

To Top