Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/70r17 vs 130/70r17 Tire Comparison Side By Side
  110/70-17 130/70-17 Difference
Diameter inches (mm) 23.06 (585.8) 24.17 (613.8) 1.1 (28) 4.8%
Width inches (mm) 4.33 (110) 5.12 (130) 0.79 (20) 18.2%
Circum. inches (mm) 72.45 (1840.34) 75.92 (1928.31) 3.46 (87.96) 4.8%
Sidewall Height inches (mm) 3.03 (77) 3.58 (91) 0.55 (14) 18.2%
Revolutions per mile (km) 874.48 (543.38) 834.59 (518.59) -39.89 (-24.79) -4.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.96 mph (33.73 km/h)
25 mph (40.23 km/h)26.19 mph (42.16 km/h)
30 mph (48.28 km/h)31.43 mph (50.59 km/h)
35 mph (56.33 km/h)36.67 mph (59.02 km/h)
40 mph (64.37 km/h)41.91 mph (67.45 km/h)
45 mph (72.42 km/h)47.15 mph (75.88 km/h)
50 mph (80.47 km/h)52.39 mph (84.31 km/h)
55 mph (88.51 km/h)57.63 mph (92.74 km/h)
60 mph (96.56 km/h)62.87 mph (101.18 km/h)
65 mph (104.61 km/h)68.11 mph (109.61 km/h)
70 mph (112.65 km/h)73.35 mph (118.04 km/h)
75 mph (120.7 km/h)78.58 mph (126.47 km/h)
80 mph (128.75 km/h)83.82 mph (134.9 km/h)
85 mph (136.79 km/h)89.06 mph (143.33 km/h)
90 mph (144.84 km/h)94.3 mph (151.76 km/h)
95 mph (152.89 km/h)99.54 mph (160.2 km/h)
100 mph (160.93 km/h)104.78 mph (168.63 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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