Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
196/65r15 vs 195/60r16 Tire Comparison Side By Side
  196/65-15 195/60-16 Difference
Diameter inches (mm) 25.03 (635.8) 25.21 (640.4) 0.18 (4.6) 0.7%
Width inches (mm) 7.72 (196) 7.68 (195) -0.04 (-1) -0.5%
Circum. inches (mm) 78.64 (1997.42) 79.21 (2011.88) 0.57 (14.45) 0.7%
Sidewall Height inches (mm) 5.02 (127.4) 4.61 (117) -0.41 (-10.4) -8.2%
Revolutions per mile (km) 805.71 (500.64) 799.92 (497.05) -5.79 (-3.6) -0.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.14 mph (32.42 km/h)
25 mph (40.23 km/h)25.18 mph (40.52 km/h)
30 mph (48.28 km/h)30.22 mph (48.63 km/h)
35 mph (56.33 km/h)35.25 mph (56.73 km/h)
40 mph (64.37 km/h)40.29 mph (64.84 km/h)
45 mph (72.42 km/h)45.33 mph (72.94 km/h)
50 mph (80.47 km/h)50.36 mph (81.05 km/h)
55 mph (88.51 km/h)55.4 mph (89.15 km/h)
60 mph (96.56 km/h)60.43 mph (97.26 km/h)
65 mph (104.61 km/h)65.47 mph (105.36 km/h)
70 mph (112.65 km/h)70.51 mph (113.47 km/h)
75 mph (120.7 km/h)75.54 mph (121.57 km/h)
80 mph (128.75 km/h)80.58 mph (129.68 km/h)
85 mph (136.79 km/h)85.61 mph (137.78 km/h)
90 mph (144.84 km/h)90.65 mph (145.89 km/h)
95 mph (152.89 km/h)95.69 mph (153.99 km/h)
100 mph (160.93 km/h)100.72 mph (162.1 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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