Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
225/40r16 vs 225/60r16 Tire Comparison Side By Side
  225/40-16 225/60-16 Difference
Diameter inches (mm) 23.09 (586.4) 26.63 (676.4) 3.54 (90) 15.3%
Width inches (mm) 8.86 (225) 8.86 (225) 0 (0) 0%
Circum. inches (mm) 72.53 (1842.23) 83.66 (2124.97) 11.13 (282.74) 15.3%
Sidewall Height inches (mm) 3.54 (90) 5.31 (135) 1.77 (45) 50%
Revolutions per mile (km) 873.58 (542.82) 757.35 (470.59) -116.24 (-72.23) -13.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.07 mph (37.13 km/h)
25 mph (40.23 km/h)28.84 mph (46.41 km/h)
30 mph (48.28 km/h)34.6 mph (55.69 km/h)
35 mph (56.33 km/h)40.37 mph (64.97 km/h)
40 mph (64.37 km/h)46.14 mph (74.25 km/h)
45 mph (72.42 km/h)51.91 mph (83.54 km/h)
50 mph (80.47 km/h)57.67 mph (92.82 km/h)
55 mph (88.51 km/h)63.44 mph (102.1 km/h)
60 mph (96.56 km/h)69.21 mph (111.38 km/h)
65 mph (104.61 km/h)74.98 mph (120.66 km/h)
70 mph (112.65 km/h)80.74 mph (129.94 km/h)
75 mph (120.7 km/h)86.51 mph (139.23 km/h)
80 mph (128.75 km/h)92.28 mph (148.51 km/h)
85 mph (136.79 km/h)98.05 mph (157.79 km/h)
90 mph (144.84 km/h)103.81 mph (167.07 km/h)
95 mph (152.89 km/h)109.58 mph (176.35 km/h)
100 mph (160.93 km/h)115.35 mph (185.63 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
19272239241125182633271528052911305932073371350237404002420743384412468350605880
Better Fuel Economy Factory Ratios Increased Power

Most Popular 225/40-R16 Comparisons

To Top