Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/35r22 vs 225/70r16 Tire Comparison Side By Side
  265/35-22 225/70-16 Difference
Diameter inches (mm) 29.3 (744.3) 28.4 (721.4) -0.9 (-22.9) -3.1%
Width inches (mm) 10.43 (265) 8.86 (225) -1.57 (-40) -15.1%
Circum. inches (mm) 92.06 (2338.29) 89.23 (2266.34) -2.83 (-71.94) -3.1%
Sidewall Height inches (mm) 3.65 (92.75) 6.2 (157.5) 2.55 (64.75) 69.8%
Revolutions per mile (km) 688.26 (427.66) 710.11 (441.24) 21.85 (13.58) 3.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.38 mph (31.2 km/h)
25 mph (40.23 km/h)24.23 mph (39 km/h)
30 mph (48.28 km/h)29.08 mph (46.79 km/h)
35 mph (56.33 km/h)33.92 mph (54.59 km/h)
40 mph (64.37 km/h)38.77 mph (62.39 km/h)
45 mph (72.42 km/h)43.62 mph (70.19 km/h)
50 mph (80.47 km/h)48.46 mph (77.99 km/h)
55 mph (88.51 km/h)53.31 mph (85.79 km/h)
60 mph (96.56 km/h)58.15 mph (93.59 km/h)
65 mph (104.61 km/h)63 mph (101.39 km/h)
70 mph (112.65 km/h)67.85 mph (109.19 km/h)
75 mph (120.7 km/h)72.69 mph (116.99 km/h)
80 mph (128.75 km/h)77.54 mph (124.79 km/h)
85 mph (136.79 km/h)82.38 mph (132.59 km/h)
90 mph (144.84 km/h)87.23 mph (140.38 km/h)
95 mph (152.89 km/h)92.08 mph (148.18 km/h)
100 mph (160.93 km/h)96.92 mph (155.98 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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