Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
200/55r16 vs 205/50r16 Tire Comparison Side By Side
  200/55-16 205/50-16 Difference
Diameter inches (mm) 24.66 (626.4) 24.07 (611.4) -0.59 (-15) -2.4%
Width inches (mm) 7.87 (200) 8.07 (205) 0.2 (5) 2.5%
Circum. inches (mm) 77.48 (1967.89) 75.62 (1920.77) -1.86 (-47.12) -2.4%
Sidewall Height inches (mm) 4.33 (110) 4.04 (102.5) -0.3 (-7.5) -6.8%
Revolutions per mile (km) 817.8 (508.16) 837.86 (520.62) 20.06 (12.47) 2.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.52 mph (31.42 km/h)
25 mph (40.23 km/h)24.4 mph (39.27 km/h)
30 mph (48.28 km/h)29.28 mph (47.12 km/h)
35 mph (56.33 km/h)34.16 mph (54.98 km/h)
40 mph (64.37 km/h)39.04 mph (62.83 km/h)
45 mph (72.42 km/h)43.92 mph (70.69 km/h)
50 mph (80.47 km/h)48.8 mph (78.54 km/h)
55 mph (88.51 km/h)53.68 mph (86.39 km/h)
60 mph (96.56 km/h)58.56 mph (94.25 km/h)
65 mph (104.61 km/h)63.44 mph (102.1 km/h)
70 mph (112.65 km/h)68.32 mph (109.96 km/h)
75 mph (120.7 km/h)73.2 mph (117.81 km/h)
80 mph (128.75 km/h)78.08 mph (125.66 km/h)
85 mph (136.79 km/h)82.96 mph (133.52 km/h)
90 mph (144.84 km/h)87.84 mph (141.37 km/h)
95 mph (152.89 km/h)92.73 mph (149.23 km/h)
100 mph (160.93 km/h)97.61 mph (157.08 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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