Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/35r19 vs 205/35r19 Tire Comparison Side By Side
  215/35-19 205/35-19 Difference
Diameter inches (mm) 24.93 (633.1) 24.65 (626.1) -0.28 (-7) -1.1%
Width inches (mm) 8.46 (215) 8.07 (205) -0.39 (-10) -4.7%
Circum. inches (mm) 78.3 (1988.94) 77.44 (1966.95) -0.87 (-21.99) -1.1%
Sidewall Height inches (mm) 2.96 (75.25) 2.82 (71.75) -0.14 (-3.5) -4.7%
Revolutions per mile (km) 809.15 (502.78) 818.19 (508.4) 9.05 (5.62) 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)24.72 mph (39.79 km/h)
30 mph (48.28 km/h)29.67 mph (47.75 km/h)
35 mph (56.33 km/h)34.61 mph (55.7 km/h)
40 mph (64.37 km/h)39.56 mph (63.66 km/h)
45 mph (72.42 km/h)44.5 mph (71.62 km/h)
50 mph (80.47 km/h)49.45 mph (79.58 km/h)
55 mph (88.51 km/h)54.39 mph (87.54 km/h)
60 mph (96.56 km/h)59.34 mph (95.49 km/h)
65 mph (104.61 km/h)64.28 mph (103.45 km/h)
70 mph (112.65 km/h)69.23 mph (111.41 km/h)
75 mph (120.7 km/h)74.17 mph (119.37 km/h)
80 mph (128.75 km/h)79.12 mph (127.32 km/h)
85 mph (136.79 km/h)84.06 mph (135.28 km/h)
90 mph (144.84 km/h)89 mph (143.24 km/h)
95 mph (152.89 km/h)93.95 mph (151.2 km/h)
100 mph (160.93 km/h)98.89 mph (159.16 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
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