Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/65r17 vs 295/75r16 Tire Comparison Side By Side
  265/65-17 295/75-16 Difference
Diameter inches (mm) 30.56 (776.3) 33.42 (848.9) 2.86 (72.6) 9.4%
Width inches (mm) 10.43 (265) 11.61 (295) 1.18 (30) 11.3%
Circum. inches (mm) 96.02 (2438.82) 105 (2666.9) 8.98 (228.08) 9.4%
Sidewall Height inches (mm) 6.78 (172.25) 8.71 (221.25) 1.93 (49) 28.4%
Revolutions per mile (km) 659.89 (410.03) 603.45 (374.97) -56.44 (-35.07) -8.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.87 mph (35.2 km/h)
25 mph (40.23 km/h)27.34 mph (44 km/h)
30 mph (48.28 km/h)32.81 mph (52.8 km/h)
35 mph (56.33 km/h)38.27 mph (61.59 km/h)
40 mph (64.37 km/h)43.74 mph (70.39 km/h)
45 mph (72.42 km/h)49.21 mph (79.19 km/h)
50 mph (80.47 km/h)54.68 mph (87.99 km/h)
55 mph (88.51 km/h)60.14 mph (96.79 km/h)
60 mph (96.56 km/h)65.61 mph (105.59 km/h)
65 mph (104.61 km/h)71.08 mph (114.39 km/h)
70 mph (112.65 km/h)76.55 mph (123.19 km/h)
75 mph (120.7 km/h)82.01 mph (131.99 km/h)
80 mph (128.75 km/h)87.48 mph (140.79 km/h)
85 mph (136.79 km/h)92.95 mph (149.59 km/h)
90 mph (144.84 km/h)98.42 mph (158.39 km/h)
95 mph (152.89 km/h)103.88 mph (167.19 km/h)
100 mph (160.93 km/h)109.35 mph (175.99 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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