Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
150/70r17 vs 160/60r17 Tire Comparison Side By Side
  150/70-17 160/60-17 Difference
Diameter inches (mm) 25.27 (641.8) 24.56 (623.8) -0.71 (-18) -2.8%
Width inches (mm) 5.91 (150) 6.3 (160) 0.39 (10) 6.7%
Circum. inches (mm) 79.38 (2016.27) 77.15 (1959.73) -2.23 (-56.55) -2.8%
Sidewall Height inches (mm) 4.13 (105) 3.78 (96) -0.35 (-9) -8.6%
Revolutions per mile (km) 798.18 (495.96) 821.21 (510.27) 23.03 (14.31) 2.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.44 mph (31.28 km/h)
25 mph (40.23 km/h)24.3 mph (39.11 km/h)
30 mph (48.28 km/h)29.16 mph (46.93 km/h)
35 mph (56.33 km/h)34.02 mph (54.75 km/h)
40 mph (64.37 km/h)38.88 mph (62.57 km/h)
45 mph (72.42 km/h)43.74 mph (70.39 km/h)
50 mph (80.47 km/h)48.6 mph (78.21 km/h)
55 mph (88.51 km/h)53.46 mph (86.03 km/h)
60 mph (96.56 km/h)58.32 mph (93.85 km/h)
65 mph (104.61 km/h)63.18 mph (101.67 km/h)
70 mph (112.65 km/h)68.04 mph (109.49 km/h)
75 mph (120.7 km/h)72.9 mph (117.32 km/h)
80 mph (128.75 km/h)77.76 mph (125.14 km/h)
85 mph (136.79 km/h)82.62 mph (132.96 km/h)
90 mph (144.84 km/h)87.48 mph (140.78 km/h)
95 mph (152.89 km/h)92.34 mph (148.6 km/h)
100 mph (160.93 km/h)97.2 mph (156.42 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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