Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
160/60r16 vs 150/80r16 Tire Comparison Side By Side
  160/60-16 150/80-16 Difference
Diameter inches (mm) 23.56 (598.4) 25.45 (646.4) 1.89 (48) 8%
Width inches (mm) 6.3 (160) 5.91 (150) -0.39 (-10) -6.3%
Circum. inches (mm) 74.01 (1879.93) 79.95 (2030.73) 5.94 (150.8) 8%
Sidewall Height inches (mm) 3.78 (96) 4.72 (120) 0.94 (24) 25%
Revolutions per mile (km) 856.07 (531.93) 792.5 (492.43) -63.57 (-39.5) -7.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.6 mph (34.77 km/h)
25 mph (40.23 km/h)27.01 mph (43.46 km/h)
30 mph (48.28 km/h)32.41 mph (52.15 km/h)
35 mph (56.33 km/h)37.81 mph (60.85 km/h)
40 mph (64.37 km/h)43.21 mph (69.54 km/h)
45 mph (72.42 km/h)48.61 mph (78.23 km/h)
50 mph (80.47 km/h)54.01 mph (86.92 km/h)
55 mph (88.51 km/h)59.41 mph (95.61 km/h)
60 mph (96.56 km/h)64.81 mph (104.31 km/h)
65 mph (104.61 km/h)70.21 mph (113 km/h)
70 mph (112.65 km/h)75.61 mph (121.69 km/h)
75 mph (120.7 km/h)81.02 mph (130.38 km/h)
80 mph (128.75 km/h)86.42 mph (139.08 km/h)
85 mph (136.79 km/h)91.82 mph (147.77 km/h)
90 mph (144.84 km/h)97.22 mph (156.46 km/h)
95 mph (152.89 km/h)102.62 mph (165.15 km/h)
100 mph (160.93 km/h)108.02 mph (173.84 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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