Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
155/82r13 vs 215/60r16 Tire Comparison Side By Side
  155/82-13 215/60-16 Difference
Diameter inches (mm) 23.01 (584.4) 26.16 (664.4) 3.15 (80) 13.7%
Width inches (mm) 6.1 (155) 8.46 (215) 2.36 (60) 38.7%
Circum. inches (mm) 72.28 (1835.95) 82.18 (2087.27) 9.89 (251.33) 13.7%
Sidewall Height inches (mm) 5 (127.1) 5.08 (129) 0.07 (1.9) 1.5%
Revolutions per mile (km) 876.57 (544.68) 771.03 (479.09) -105.55 (-65.58) -12%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.74 mph (36.59 km/h)
25 mph (40.23 km/h)28.42 mph (45.74 km/h)
30 mph (48.28 km/h)34.11 mph (54.89 km/h)
35 mph (56.33 km/h)39.79 mph (64.04 km/h)
40 mph (64.37 km/h)45.48 mph (73.19 km/h)
45 mph (72.42 km/h)51.16 mph (82.33 km/h)
50 mph (80.47 km/h)56.84 mph (91.48 km/h)
55 mph (88.51 km/h)62.53 mph (100.63 km/h)
60 mph (96.56 km/h)68.21 mph (109.78 km/h)
65 mph (104.61 km/h)73.9 mph (118.93 km/h)
70 mph (112.65 km/h)79.58 mph (128.08 km/h)
75 mph (120.7 km/h)85.27 mph (137.22 km/h)
80 mph (128.75 km/h)90.95 mph (146.37 km/h)
85 mph (136.79 km/h)96.64 mph (155.52 km/h)
90 mph (144.84 km/h)102.32 mph (164.67 km/h)
95 mph (152.89 km/h)108 mph (173.82 km/h)
100 mph (160.93 km/h)113.69 mph (182.97 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 155/82-R13 Comparisons

To Top