Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/70r19 vs 110/90r19 Tire Comparison Side By Side
  130/70-19 110/90-19 Difference
Diameter inches (mm) 26.17 (664.6) 26.8 (680.6) 0.63 (16) 2.4%
Width inches (mm) 5.12 (130) 4.33 (110) -0.79 (-20) -15.4%
Circum. inches (mm) 82.2 (2087.9) 84.18 (2138.17) 1.98 (50.27) 2.4%
Sidewall Height inches (mm) 3.58 (91) 3.9 (99) 0.31 (8) 8.8%
Revolutions per mile (km) 770.79 (478.95) 752.67 (467.69) -18.12 (-11.26) -2.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.48 mph (32.96 km/h)
25 mph (40.23 km/h)25.6 mph (41.2 km/h)
30 mph (48.28 km/h)30.72 mph (49.44 km/h)
35 mph (56.33 km/h)35.84 mph (57.68 km/h)
40 mph (64.37 km/h)40.96 mph (65.92 km/h)
45 mph (72.42 km/h)46.08 mph (74.16 km/h)
50 mph (80.47 km/h)51.2 mph (82.4 km/h)
55 mph (88.51 km/h)56.32 mph (90.65 km/h)
60 mph (96.56 km/h)61.44 mph (98.89 km/h)
65 mph (104.61 km/h)66.56 mph (107.13 km/h)
70 mph (112.65 km/h)71.69 mph (115.37 km/h)
75 mph (120.7 km/h)76.81 mph (123.61 km/h)
80 mph (128.75 km/h)81.93 mph (131.85 km/h)
85 mph (136.79 km/h)87.05 mph (140.09 km/h)
90 mph (144.84 km/h)92.17 mph (148.33 km/h)
95 mph (152.89 km/h)97.29 mph (156.57 km/h)
100 mph (160.93 km/h)102.41 mph (164.81 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
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