Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
255/30r19 vs 265/35r19 Tire Comparison Side By Side
  255/30-19 265/35-19 Difference
Diameter inches (mm) 25.02 (635.6) 26.3 (668.1) 1.28 (32.5) 5.1%
Width inches (mm) 10.04 (255) 10.43 (265) 0.39 (10) 3.9%
Circum. inches (mm) 78.61 (1996.8) 82.63 (2098.9) 4.02 (102.1) 5.1%
Sidewall Height inches (mm) 3.01 (76.5) 3.65 (92.75) 0.64 (16.25) 21.2%
Revolutions per mile (km) 805.96 (500.8) 766.76 (476.44) -39.21 (-24.36) -4.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.02 mph (33.83 km/h)
25 mph (40.23 km/h)26.28 mph (42.29 km/h)
30 mph (48.28 km/h)31.53 mph (50.75 km/h)
35 mph (56.33 km/h)36.79 mph (59.21 km/h)
40 mph (64.37 km/h)42.05 mph (67.67 km/h)
45 mph (72.42 km/h)47.3 mph (76.12 km/h)
50 mph (80.47 km/h)52.56 mph (84.58 km/h)
55 mph (88.51 km/h)57.81 mph (93.04 km/h)
60 mph (96.56 km/h)63.07 mph (101.5 km/h)
65 mph (104.61 km/h)68.32 mph (109.96 km/h)
70 mph (112.65 km/h)73.58 mph (118.41 km/h)
75 mph (120.7 km/h)78.83 mph (126.87 km/h)
80 mph (128.75 km/h)84.09 mph (135.33 km/h)
85 mph (136.79 km/h)89.35 mph (143.79 km/h)
90 mph (144.84 km/h)94.6 mph (152.25 km/h)
95 mph (152.89 km/h)99.86 mph (160.71 km/h)
100 mph (160.93 km/h)105.11 mph (169.16 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
19512267244125492665274828402948309732473413354537864052426043924467474151235953
Better Fuel Economy Factory Ratios Increased Power

Most Popular 255/30-R19 Comparisons

To Top