Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
255/45r19 vs 255/60r19 Tire Comparison Side By Side
  255/45-19 255/60-19 Difference
Diameter inches (mm) 28.04 (712.1) 31.05 (788.6) 3.01 (76.5) 10.7%
Width inches (mm) 10.04 (255) 10.04 (255) 0 (0) 0%
Circum. inches (mm) 88.08 (2237.13) 97.54 (2477.46) 9.46 (240.33) 10.7%
Sidewall Height inches (mm) 4.52 (114.75) 6.02 (153) 1.51 (38.25) 33.3%
Revolutions per mile (km) 719.38 (447) 649.59 (403.64) -69.79 (-43.36) -9.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.15 mph (35.64 km/h)
25 mph (40.23 km/h)27.69 mph (44.56 km/h)
30 mph (48.28 km/h)33.22 mph (53.47 km/h)
35 mph (56.33 km/h)38.76 mph (62.38 km/h)
40 mph (64.37 km/h)44.3 mph (71.29 km/h)
45 mph (72.42 km/h)49.83 mph (80.2 km/h)
50 mph (80.47 km/h)55.37 mph (89.11 km/h)
55 mph (88.51 km/h)60.91 mph (98.02 km/h)
60 mph (96.56 km/h)66.45 mph (106.93 km/h)
65 mph (104.61 km/h)71.98 mph (115.85 km/h)
70 mph (112.65 km/h)77.52 mph (124.76 km/h)
75 mph (120.7 km/h)83.06 mph (133.67 km/h)
80 mph (128.75 km/h)88.59 mph (142.58 km/h)
85 mph (136.79 km/h)94.13 mph (151.49 km/h)
90 mph (144.84 km/h)99.67 mph (160.4 km/h)
95 mph (152.89 km/h)105.21 mph (169.31 km/h)
100 mph (160.93 km/h)110.74 mph (178.22 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
16531920206821602258232824062497262427502891300432083433360937213785401743405044
Better Fuel Economy Factory Ratios Increased Power

Most Popular 255/45-R19 Comparisons

To Top