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 130/90r10 Tire Comparison Side By Side
  130/60-13 130/90-10 Difference
Diameter inches (mm) 19.14 (486.2) 19.21 (488) 0.07 (1.8) 0.4%
Width inches (mm) 5.12 (130) 5.12 (130) 0 (0) 0%
Circum. inches (mm) 60.14 (1527.44) 60.36 (1533.1) 0.22 (5.65) 0.4%
Sidewall Height inches (mm) 3.07 (78) 4.61 (117) 1.54 (39) 50%
Revolutions per mile (km) 1053.62 (654.69) 1049.73 (652.27) -3.89 (-2.41) -0.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.07 mph (32.31 km/h)
25 mph (40.23 km/h)25.09 mph (40.38 km/h)
30 mph (48.28 km/h)30.11 mph (48.46 km/h)
35 mph (56.33 km/h)35.13 mph (56.54 km/h)
40 mph (64.37 km/h)40.15 mph (64.61 km/h)
45 mph (72.42 km/h)45.17 mph (72.69 km/h)
50 mph (80.47 km/h)50.19 mph (80.77 km/h)
55 mph (88.51 km/h)55.2 mph (88.84 km/h)
60 mph (96.56 km/h)60.22 mph (96.92 km/h)
65 mph (104.61 km/h)65.24 mph (104.99 km/h)
70 mph (112.65 km/h)70.26 mph (113.07 km/h)
75 mph (120.7 km/h)75.28 mph (121.15 km/h)
80 mph (128.75 km/h)80.3 mph (129.22 km/h)
85 mph (136.79 km/h)85.31 mph (137.3 km/h)
90 mph (144.84 km/h)90.33 mph (145.38 km/h)
95 mph (152.89 km/h)95.35 mph (153.45 km/h)
100 mph (160.93 km/h)100.37 mph (161.53 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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