Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
215/60r16 vs 215/35r19 Tire Comparison Side By Side
  215/60-16 215/35-19 Difference
Diameter inches (mm) 26.16 (664.4) 24.93 (633.1) -1.23 (-31.3) -4.7%
Width inches (mm) 8.46 (215) 8.46 (215) 0 (0) 0%
Circum. inches (mm) 82.18 (2087.27) 78.3 (1988.94) -3.87 (-98.33) -4.7%
Sidewall Height inches (mm) 5.08 (129) 2.96 (75.25) -2.12 (-53.75) -41.7%
Revolutions per mile (km) 771.03 (479.09) 809.15 (502.78) 38.12 (23.69) 4.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.06 mph (30.67 km/h)
25 mph (40.23 km/h)23.82 mph (38.34 km/h)
30 mph (48.28 km/h)28.59 mph (46.01 km/h)
35 mph (56.33 km/h)33.35 mph (53.67 km/h)
40 mph (64.37 km/h)38.12 mph (61.34 km/h)
45 mph (72.42 km/h)42.88 mph (69.01 km/h)
50 mph (80.47 km/h)47.64 mph (76.68 km/h)
55 mph (88.51 km/h)52.41 mph (84.34 km/h)
60 mph (96.56 km/h)57.17 mph (92.01 km/h)
65 mph (104.61 km/h)61.94 mph (99.68 km/h)
70 mph (112.65 km/h)66.7 mph (107.35 km/h)
75 mph (120.7 km/h)71.47 mph (115.01 km/h)
80 mph (128.75 km/h)76.23 mph (122.68 km/h)
85 mph (136.79 km/h)81 mph (130.35 km/h)
90 mph (144.84 km/h)85.76 mph (138.02 km/h)
95 mph (152.89 km/h)90.52 mph (145.69 km/h)
100 mph (160.93 km/h)95.29 mph (153.35 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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