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 175/60r16 Tire Comparison Side By Side
  160/60-16 175/60-16 Difference
Diameter inches (mm) 23.56 (598.4) 24.27 (616.4) 0.71 (18) 3%
Width inches (mm) 6.3 (160) 6.89 (175) 0.59 (15) 9.4%
Circum. inches (mm) 74.01 (1879.93) 76.24 (1936.48) 2.23 (56.55) 3%
Sidewall Height inches (mm) 3.78 (96) 4.13 (105) 0.35 (9) 9.4%
Revolutions per mile (km) 856.07 (531.93) 831.07 (516.4) -25 (-15.53) -2.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.6 mph (33.16 km/h)
25 mph (40.23 km/h)25.75 mph (41.44 km/h)
30 mph (48.28 km/h)30.9 mph (49.73 km/h)
35 mph (56.33 km/h)36.05 mph (58.02 km/h)
40 mph (64.37 km/h)41.2 mph (66.31 km/h)
45 mph (72.42 km/h)46.35 mph (74.6 km/h)
50 mph (80.47 km/h)51.5 mph (82.89 km/h)
55 mph (88.51 km/h)56.65 mph (91.18 km/h)
60 mph (96.56 km/h)61.8 mph (99.47 km/h)
65 mph (104.61 km/h)66.96 mph (107.75 km/h)
70 mph (112.65 km/h)72.11 mph (116.04 km/h)
75 mph (120.7 km/h)77.26 mph (124.33 km/h)
80 mph (128.75 km/h)82.41 mph (132.62 km/h)
85 mph (136.79 km/h)87.56 mph (140.91 km/h)
90 mph (144.84 km/h)92.71 mph (149.2 km/h)
95 mph (152.89 km/h)97.86 mph (157.49 km/h)
100 mph (160.93 km/h)103.01 mph (165.78 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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