Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/60r13 vs 160/50r13 Tire Comparison Side By Side
  130/60-13 160/50-13 Difference
Diameter inches (mm) 19.14 (486.2) 19.3 (490.2) 0.16 (4) 0.8%
Width inches (mm) 5.12 (130) 6.3 (160) 1.18 (30) 23.1%
Circum. inches (mm) 60.14 (1527.44) 60.63 (1540.01) 0.49 (12.57) 0.8%
Sidewall Height inches (mm) 3.07 (78) 3.15 (80) 0.08 (2) 2.6%
Revolutions per mile (km) 1053.62 (654.69) 1045.02 (649.35) -8.6 (-5.34) -0.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.16 mph (32.45 km/h)
25 mph (40.23 km/h)25.21 mph (40.56 km/h)
30 mph (48.28 km/h)30.25 mph (48.68 km/h)
35 mph (56.33 km/h)35.29 mph (56.79 km/h)
40 mph (64.37 km/h)40.33 mph (64.9 km/h)
45 mph (72.42 km/h)45.37 mph (73.02 km/h)
50 mph (80.47 km/h)50.41 mph (81.13 km/h)
55 mph (88.51 km/h)55.45 mph (89.24 km/h)
60 mph (96.56 km/h)60.49 mph (97.36 km/h)
65 mph (104.61 km/h)65.53 mph (105.47 km/h)
70 mph (112.65 km/h)70.58 mph (113.58 km/h)
75 mph (120.7 km/h)75.62 mph (121.69 km/h)
80 mph (128.75 km/h)80.66 mph (129.81 km/h)
85 mph (136.79 km/h)85.7 mph (137.92 km/h)
90 mph (144.84 km/h)90.74 mph (146.03 km/h)
95 mph (152.89 km/h)95.78 mph (154.15 km/h)
100 mph (160.93 km/h)100.82 mph (162.26 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
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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