Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
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130/90r10 vs 110/80r10 Tire Comparison Side By Side
  130/90-10 110/80-10 Difference
Diameter inches (mm) 19.21 (488) 16.93 (430) -2.28 (-58) -11.9%
Width inches (mm) 5.12 (130) 4.33 (110) -0.79 (-20) -15.4%
Circum. inches (mm) 60.36 (1533.1) 53.18 (1350.88) -7.17 (-182.21) -11.9%
Sidewall Height inches (mm) 4.61 (117) 3.46 (88) -1.14 (-29) -24.8%
Revolutions per mile (km) 1049.73 (652.27) 1191.33 (740.25) 141.59 (87.98) 13.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)17.62 mph (28.36 km/h)
25 mph (40.23 km/h)22.03 mph (35.45 km/h)
30 mph (48.28 km/h)26.43 mph (42.54 km/h)
35 mph (56.33 km/h)30.84 mph (49.63 km/h)
40 mph (64.37 km/h)35.25 mph (56.72 km/h)
45 mph (72.42 km/h)39.65 mph (63.81 km/h)
50 mph (80.47 km/h)44.06 mph (70.9 km/h)
55 mph (88.51 km/h)48.46 mph (77.99 km/h)
60 mph (96.56 km/h)52.87 mph (85.08 km/h)
65 mph (104.61 km/h)57.27 mph (92.17 km/h)
70 mph (112.65 km/h)61.68 mph (99.27 km/h)
75 mph (120.7 km/h)66.09 mph (106.36 km/h)
80 mph (128.75 km/h)70.49 mph (113.45 km/h)
85 mph (136.79 km/h)74.9 mph (120.54 km/h)
90 mph (144.84 km/h)79.3 mph (127.63 km/h)
95 mph (152.89 km/h)83.71 mph (134.72 km/h)
100 mph (160.93 km/h)88.11 mph (141.81 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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