Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/35r19 vs 245/40r19 Tire Comparison Side By Side
  215/35-19 245/40-19 Difference
Diameter inches (mm) 24.93 (633.1) 26.72 (678.6) 1.79 (45.5) 7.2%
Width inches (mm) 8.46 (215) 9.65 (245) 1.18 (30) 14%
Circum. inches (mm) 78.3 (1988.94) 83.93 (2131.88) 5.63 (142.94) 7.2%
Sidewall Height inches (mm) 2.96 (75.25) 3.86 (98) 0.9 (22.75) 30.2%
Revolutions per mile (km) 809.15 (502.78) 754.89 (469.07) -54.25 (-33.71) -6.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.44 mph (34.5 km/h)
25 mph (40.23 km/h)26.8 mph (43.13 km/h)
30 mph (48.28 km/h)32.16 mph (51.75 km/h)
35 mph (56.33 km/h)37.52 mph (60.38 km/h)
40 mph (64.37 km/h)42.87 mph (69 km/h)
45 mph (72.42 km/h)48.23 mph (77.63 km/h)
50 mph (80.47 km/h)53.59 mph (86.25 km/h)
55 mph (88.51 km/h)58.95 mph (94.88 km/h)
60 mph (96.56 km/h)64.31 mph (103.5 km/h)
65 mph (104.61 km/h)69.67 mph (112.13 km/h)
70 mph (112.65 km/h)75.03 mph (120.75 km/h)
75 mph (120.7 km/h)80.39 mph (129.38 km/h)
80 mph (128.75 km/h)85.75 mph (138 km/h)
85 mph (136.79 km/h)91.11 mph (146.63 km/h)
90 mph (144.84 km/h)96.47 mph (155.25 km/h)
95 mph (152.89 km/h)101.83 mph (163.88 km/h)
100 mph (160.93 km/h)107.19 mph (172.5 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
19212232240325102624270627962902304931963360349137283989419443244398466850445861
Better Fuel Economy Factory Ratios Increased Power

Most Popular 215/35-R19 Comparisons

To Top