Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
245/55r16 vs 235/55r16 Tire Comparison Side By Side
  245/55-16 235/55-16 Difference
Diameter inches (mm) 26.61 (675.9) 26.18 (664.9) -0.43 (-11) -1.6%
Width inches (mm) 9.65 (245) 9.25 (235) -0.39 (-10) -4.1%
Circum. inches (mm) 83.6 (2123.4) 82.24 (2088.84) -1.36 (-34.56) -1.6%
Sidewall Height inches (mm) 5.31 (134.75) 5.09 (129.25) -0.22 (-5.5) -4.1%
Revolutions per mile (km) 757.91 (470.94) 770.45 (478.73) 12.54 (7.79) 1.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.67 mph (31.66 km/h)
25 mph (40.23 km/h)24.59 mph (39.58 km/h)
30 mph (48.28 km/h)29.51 mph (47.49 km/h)
35 mph (56.33 km/h)34.43 mph (55.41 km/h)
40 mph (64.37 km/h)39.35 mph (63.33 km/h)
45 mph (72.42 km/h)44.27 mph (71.24 km/h)
50 mph (80.47 km/h)49.19 mph (79.16 km/h)
55 mph (88.51 km/h)54.1 mph (87.07 km/h)
60 mph (96.56 km/h)59.02 mph (94.99 km/h)
65 mph (104.61 km/h)63.94 mph (102.91 km/h)
70 mph (112.65 km/h)68.86 mph (110.82 km/h)
75 mph (120.7 km/h)73.78 mph (118.74 km/h)
80 mph (128.75 km/h)78.7 mph (126.65 km/h)
85 mph (136.79 km/h)83.62 mph (134.57 km/h)
90 mph (144.84 km/h)88.54 mph (142.48 km/h)
95 mph (152.89 km/h)93.45 mph (150.4 km/h)
100 mph (160.93 km/h)98.37 mph (158.32 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
19612278245325612678276228532962311232623429356338044071428044144489476451485982
Better Fuel Economy Factory Ratios Increased Power

Most Popular 245/55-R16 Comparisons

To Top