Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
150/60r17 vs 110/70r17 Tire Comparison Side By Side
  150/60-17 110/70-17 Difference
Diameter inches (mm) 24.09 (611.8) 23.06 (585.8) -1.02 (-26) -4.2%
Width inches (mm) 5.91 (150) 4.33 (110) -1.57 (-40) -26.7%
Circum. inches (mm) 75.67 (1922.03) 72.45 (1840.34) -3.22 (-81.68) -4.2%
Sidewall Height inches (mm) 3.54 (90) 3.03 (77) -0.51 (-13) -14.4%
Revolutions per mile (km) 837.32 (520.28) 874.48 (543.38) 37.16 (23.09) 4.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.15 mph (30.82 km/h)
25 mph (40.23 km/h)23.94 mph (38.52 km/h)
30 mph (48.28 km/h)28.73 mph (46.23 km/h)
35 mph (56.33 km/h)33.51 mph (53.93 km/h)
40 mph (64.37 km/h)38.3 mph (61.64 km/h)
45 mph (72.42 km/h)43.09 mph (69.34 km/h)
50 mph (80.47 km/h)47.88 mph (77.05 km/h)
55 mph (88.51 km/h)52.66 mph (84.75 km/h)
60 mph (96.56 km/h)57.45 mph (92.46 km/h)
65 mph (104.61 km/h)62.24 mph (100.16 km/h)
70 mph (112.65 km/h)67.03 mph (107.87 km/h)
75 mph (120.7 km/h)71.81 mph (115.57 km/h)
80 mph (128.75 km/h)76.6 mph (123.28 km/h)
85 mph (136.79 km/h)81.39 mph (130.98 km/h)
90 mph (144.84 km/h)86.18 mph (138.69 km/h)
95 mph (152.89 km/h)90.96 mph (146.39 km/h)
100 mph (160.93 km/h)95.75 mph (154.1 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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