Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
225/35r19 vs 215/35r19 Tire Comparison Side By Side
  225/35-19 215/35-19 Difference
Diameter inches (mm) 25.2 (640.1) 24.93 (633.1) -0.28 (-7) -1.1%
Width inches (mm) 8.86 (225) 8.46 (215) -0.39 (-10) -4.4%
Circum. inches (mm) 79.17 (2010.93) 78.3 (1988.94) -0.87 (-21.99) -1.1%
Sidewall Height inches (mm) 3.1 (78.75) 2.96 (75.25) -0.14 (-3.5) -4.4%
Revolutions per mile (km) 800.3 (497.28) 809.15 (502.78) 8.85 (5.5) 1.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.78 mph (31.83 km/h)
25 mph (40.23 km/h)24.73 mph (39.79 km/h)
30 mph (48.28 km/h)29.67 mph (47.75 km/h)
35 mph (56.33 km/h)34.62 mph (55.71 km/h)
40 mph (64.37 km/h)39.56 mph (63.67 km/h)
45 mph (72.42 km/h)44.51 mph (71.63 km/h)
50 mph (80.47 km/h)49.45 mph (79.59 km/h)
55 mph (88.51 km/h)54.4 mph (87.55 km/h)
60 mph (96.56 km/h)59.34 mph (95.5 km/h)
65 mph (104.61 km/h)64.29 mph (103.46 km/h)
70 mph (112.65 km/h)69.23 mph (111.42 km/h)
75 mph (120.7 km/h)74.18 mph (119.38 km/h)
80 mph (128.75 km/h)79.13 mph (127.34 km/h)
85 mph (136.79 km/h)84.07 mph (135.3 km/h)
90 mph (144.84 km/h)89.02 mph (143.26 km/h)
95 mph (152.89 km/h)93.96 mph (151.22 km/h)
100 mph (160.93 km/h)98.91 mph (159.17 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
20592392257626902813290029973111326834263601374139964276449546354714500354066283
Better Fuel Economy Factory Ratios Increased Power

Most Popular 225/35-R19 Comparisons

To Top