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 245/50r16 Tire Comparison Side By Side
  245/60-16 245/50-16 Difference
Diameter inches (mm) 27.57 (700.4) 25.65 (651.4) -1.93 (-49) -7%
Width inches (mm) 9.65 (245) 9.65 (245) 0 (0) 0%
Circum. inches (mm) 86.63 (2200.37) 80.57 (2046.43) -6.06 (-153.94) -7%
Sidewall Height inches (mm) 5.79 (147) 4.82 (122.5) -0.96 (-24.5) -16.7%
Revolutions per mile (km) 731.4 (454.47) 786.41 (488.65) 55.02 (34.19) 7.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.6 mph (29.94 km/h)
25 mph (40.23 km/h)23.25 mph (37.42 km/h)
30 mph (48.28 km/h)27.9 mph (44.9 km/h)
35 mph (56.33 km/h)32.55 mph (52.39 km/h)
40 mph (64.37 km/h)37.2 mph (59.87 km/h)
45 mph (72.42 km/h)41.85 mph (67.35 km/h)
50 mph (80.47 km/h)46.5 mph (74.84 km/h)
55 mph (88.51 km/h)51.15 mph (82.32 km/h)
60 mph (96.56 km/h)55.8 mph (89.81 km/h)
65 mph (104.61 km/h)60.45 mph (97.29 km/h)
70 mph (112.65 km/h)65.1 mph (104.77 km/h)
75 mph (120.7 km/h)69.75 mph (112.26 km/h)
80 mph (128.75 km/h)74.4 mph (119.74 km/h)
85 mph (136.79 km/h)79.05 mph (127.22 km/h)
90 mph (144.84 km/h)83.7 mph (134.71 km/h)
95 mph (152.89 km/h)88.35 mph (142.19 km/h)
100 mph (160.93 km/h)93 mph (149.68 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
20012325250426142734281929123023317633303500363638834156436945054582486352546106
Better Fuel Economy Factory Ratios Increased Power

Most Popular 245/60-R16 Comparisons

To Top