Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/60r19 vs 130/70r19 Tire Comparison Side By Side
  130/60-19 130/70-19 Difference
Diameter inches (mm) 25.14 (638.6) 26.17 (664.6) 1.02 (26) 4.1%
Width inches (mm) 5.12 (130) 5.12 (130) 0 (0) 0%
Circum. inches (mm) 78.99 (2006.22) 82.2 (2087.9) 3.22 (81.68) 4.1%
Sidewall Height inches (mm) 3.07 (78) 3.58 (91) 0.51 (13) 16.7%
Revolutions per mile (km) 802.18 (498.45) 770.79 (478.95) -31.38 (-19.5) -3.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.81 mph (33.5 km/h)
25 mph (40.23 km/h)26.02 mph (41.87 km/h)
30 mph (48.28 km/h)31.22 mph (50.25 km/h)
35 mph (56.33 km/h)36.42 mph (58.62 km/h)
40 mph (64.37 km/h)41.63 mph (66.99 km/h)
45 mph (72.42 km/h)46.83 mph (75.37 km/h)
50 mph (80.47 km/h)52.04 mph (83.74 km/h)
55 mph (88.51 km/h)57.24 mph (92.12 km/h)
60 mph (96.56 km/h)62.44 mph (100.49 km/h)
65 mph (104.61 km/h)67.65 mph (108.87 km/h)
70 mph (112.65 km/h)72.85 mph (117.24 km/h)
75 mph (120.7 km/h)78.05 mph (125.62 km/h)
80 mph (128.75 km/h)83.26 mph (133.99 km/h)
85 mph (136.79 km/h)88.46 mph (142.36 km/h)
90 mph (144.84 km/h)93.66 mph (150.74 km/h)
95 mph (152.89 km/h)98.87 mph (159.11 km/h)
100 mph (160.93 km/h)104.07 mph (167.49 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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