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 265/30r22 Tire Comparison Side By Side
  265/35-22 265/30-22 Difference
Diameter inches (mm) 29.3 (744.3) 28.26 (717.8) -1.04 (-26.5) -3.6%
Width inches (mm) 10.43 (265) 10.43 (265) 0 (0) 0%
Circum. inches (mm) 92.06 (2338.29) 88.78 (2255.04) -3.28 (-83.25) -3.6%
Sidewall Height inches (mm) 3.65 (92.75) 3.13 (79.5) -0.52 (-13.25) -14.3%
Revolutions per mile (km) 688.26 (427.66) 713.67 (443.45) 25.41 (15.79) 3.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.29 mph (31.04 km/h)
25 mph (40.23 km/h)24.11 mph (38.8 km/h)
30 mph (48.28 km/h)28.93 mph (46.56 km/h)
35 mph (56.33 km/h)33.75 mph (54.32 km/h)
40 mph (64.37 km/h)38.58 mph (62.08 km/h)
45 mph (72.42 km/h)43.4 mph (69.84 km/h)
50 mph (80.47 km/h)48.22 mph (77.6 km/h)
55 mph (88.51 km/h)53.04 mph (85.36 km/h)
60 mph (96.56 km/h)57.86 mph (93.12 km/h)
65 mph (104.61 km/h)62.69 mph (100.88 km/h)
70 mph (112.65 km/h)67.51 mph (108.64 km/h)
75 mph (120.7 km/h)72.33 mph (116.4 km/h)
80 mph (128.75 km/h)77.15 mph (124.16 km/h)
85 mph (136.79 km/h)81.97 mph (131.92 km/h)
90 mph (144.84 km/h)86.8 mph (139.68 km/h)
95 mph (152.89 km/h)91.62 mph (147.44 km/h)
100 mph (160.93 km/h)96.44 mph (155.2 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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