Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/70r17 vs 295/70r17 Tire Comparison Side By Side
  265/70-17 295/70-17 Difference
Diameter inches (mm) 31.61 (802.8) 33.26 (844.8) 1.65 (42) 5.2%
Width inches (mm) 10.43 (265) 11.61 (295) 1.18 (30) 11.3%
Circum. inches (mm) 99.29 (2522.07) 104.49 (2654.02) 5.19 (131.95) 5.2%
Sidewall Height inches (mm) 7.3 (185.5) 8.13 (206.5) 0.83 (21) 11.3%
Revolutions per mile (km) 638.1 (396.5) 606.38 (376.79) -31.72 (-19.71) -5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.05 mph (33.87 km/h)
25 mph (40.23 km/h)26.31 mph (42.34 km/h)
30 mph (48.28 km/h)31.57 mph (50.81 km/h)
35 mph (56.33 km/h)36.83 mph (59.27 km/h)
40 mph (64.37 km/h)42.09 mph (67.74 km/h)
45 mph (72.42 km/h)47.35 mph (76.21 km/h)
50 mph (80.47 km/h)52.62 mph (84.68 km/h)
55 mph (88.51 km/h)57.88 mph (93.14 km/h)
60 mph (96.56 km/h)63.14 mph (101.61 km/h)
65 mph (104.61 km/h)68.4 mph (110.08 km/h)
70 mph (112.65 km/h)73.66 mph (118.55 km/h)
75 mph (120.7 km/h)78.92 mph (127.02 km/h)
80 mph (128.75 km/h)84.19 mph (135.48 km/h)
85 mph (136.79 km/h)89.45 mph (143.95 km/h)
90 mph (144.84 km/h)94.71 mph (152.42 km/h)
95 mph (152.89 km/h)99.97 mph (160.89 km/h)
100 mph (160.93 km/h)105.23 mph (169.35 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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