Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
245/60r16 vs 245/70r16 Tire Comparison Side By Side
  245/60-16 245/70-16 Difference
Diameter inches (mm) 27.57 (700.4) 29.5 (749.4) 1.93 (49) 7%
Width inches (mm) 9.65 (245) 9.65 (245) 0 (0) 0%
Circum. inches (mm) 86.63 (2200.37) 92.69 (2354.31) 6.06 (153.94) 7%
Sidewall Height inches (mm) 5.79 (147) 6.75 (171.5) 0.96 (24.5) 16.7%
Revolutions per mile (km) 731.4 (454.47) 683.57 (424.75) -47.82 (-29.72) -6.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.4 mph (34.44 km/h)
25 mph (40.23 km/h)26.75 mph (43.05 km/h)
30 mph (48.28 km/h)32.1 mph (51.66 km/h)
35 mph (56.33 km/h)37.45 mph (60.27 km/h)
40 mph (64.37 km/h)42.8 mph (68.88 km/h)
45 mph (72.42 km/h)48.15 mph (77.49 km/h)
50 mph (80.47 km/h)53.5 mph (86.1 km/h)
55 mph (88.51 km/h)58.85 mph (94.71 km/h)
60 mph (96.56 km/h)64.2 mph (103.32 km/h)
65 mph (104.61 km/h)69.55 mph (111.93 km/h)
70 mph (112.65 km/h)74.9 mph (120.54 km/h)
75 mph (120.7 km/h)80.25 mph (129.15 km/h)
80 mph (128.75 km/h)85.6 mph (137.75 km/h)
85 mph (136.79 km/h)90.95 mph (146.36 km/h)
90 mph (144.84 km/h)96.3 mph (154.97 km/h)
95 mph (152.89 km/h)101.65 mph (163.58 km/h)
100 mph (160.93 km/h)107 mph (172.19 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
17402021217622732376245025322628276128943042316133753612379739163982422745675308
Better Fuel Economy Factory Ratios Increased Power

Most Popular 245/60-R16 Comparisons

To Top