Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/65r15 vs 215/60r16 Tire Comparison Side By Side
  215/65-15 215/60-16 Difference
Diameter inches (mm) 26 (660.5) 26.16 (664.4) 0.15 (3.9) 0.6%
Width inches (mm) 8.46 (215) 8.46 (215) 0 (0) 0%
Circum. inches (mm) 81.69 (2075.02) 82.18 (2087.27) 0.48 (12.25) 0.6%
Sidewall Height inches (mm) 5.5 (139.75) 5.08 (129) -0.42 (-10.75) -7.7%
Revolutions per mile (km) 775.58 (481.92) 771.03 (479.09) -4.55 (-2.83) -0.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.12 mph (32.38 km/h)
25 mph (40.23 km/h)25.15 mph (40.47 km/h)
30 mph (48.28 km/h)30.18 mph (48.57 km/h)
35 mph (56.33 km/h)35.21 mph (56.66 km/h)
40 mph (64.37 km/h)40.24 mph (64.75 km/h)
45 mph (72.42 km/h)45.27 mph (72.85 km/h)
50 mph (80.47 km/h)50.3 mph (80.94 km/h)
55 mph (88.51 km/h)55.32 mph (89.04 km/h)
60 mph (96.56 km/h)60.35 mph (97.13 km/h)
65 mph (104.61 km/h)65.38 mph (105.23 km/h)
70 mph (112.65 km/h)70.41 mph (113.32 km/h)
75 mph (120.7 km/h)75.44 mph (121.41 km/h)
80 mph (128.75 km/h)80.47 mph (129.51 km/h)
85 mph (136.79 km/h)85.5 mph (137.6 km/h)
90 mph (144.84 km/h)90.53 mph (145.7 km/h)
95 mph (152.89 km/h)95.56 mph (153.79 km/h)
100 mph (160.93 km/h)100.59 mph (161.88 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
19622279245525632680276428562964311432653432356538074075428344174492476851525987
Better Fuel Economy Factory Ratios Increased Power

Most Popular 215/65-R15 Comparisons

To Top