Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/55r16 vs 200/55r16 Tire Comparison Side By Side
  195/55-16 200/55-16 Difference
Diameter inches (mm) 24.44 (620.9) 24.66 (626.4) 0.22 (5.5) 0.9%
Width inches (mm) 7.68 (195) 7.87 (200) 0.2 (5) 2.6%
Circum. inches (mm) 76.8 (1950.61) 77.48 (1967.89) 0.68 (17.28) 0.9%
Sidewall Height inches (mm) 4.22 (107.25) 4.33 (110) 0.11 (2.75) 2.6%
Revolutions per mile (km) 825.04 (512.66) 817.8 (508.16) -7.24 (-4.5) -0.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.18 mph (32.47 km/h)
25 mph (40.23 km/h)25.22 mph (40.59 km/h)
30 mph (48.28 km/h)30.27 mph (48.71 km/h)
35 mph (56.33 km/h)35.31 mph (56.83 km/h)
40 mph (64.37 km/h)40.35 mph (64.94 km/h)
45 mph (72.42 km/h)45.4 mph (73.06 km/h)
50 mph (80.47 km/h)50.44 mph (81.18 km/h)
55 mph (88.51 km/h)55.49 mph (89.3 km/h)
60 mph (96.56 km/h)60.53 mph (97.42 km/h)
65 mph (104.61 km/h)65.58 mph (105.53 km/h)
70 mph (112.65 km/h)70.62 mph (113.65 km/h)
75 mph (120.7 km/h)75.66 mph (121.77 km/h)
80 mph (128.75 km/h)80.71 mph (129.89 km/h)
85 mph (136.79 km/h)85.75 mph (138.01 km/h)
90 mph (144.84 km/h)90.8 mph (146.12 km/h)
95 mph (152.89 km/h)95.84 mph (154.24 km/h)
100 mph (160.93 km/h)100.89 mph (162.36 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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