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 205/65r16 Tire Comparison Side By Side
  200/55-16 205/65-16 Difference
Diameter inches (mm) 24.66 (626.4) 26.49 (672.9) 1.83 (46.5) 7.4%
Width inches (mm) 7.87 (200) 8.07 (205) 0.2 (5) 2.5%
Circum. inches (mm) 77.48 (1967.89) 83.23 (2113.98) 5.75 (146.08) 7.4%
Sidewall Height inches (mm) 4.33 (110) 5.25 (133.25) 0.92 (23.25) 21.1%
Revolutions per mile (km) 817.8 (508.16) 761.29 (473.04) -56.51 (-35.12) -6.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.48 mph (34.58 km/h)
25 mph (40.23 km/h)26.86 mph (43.22 km/h)
30 mph (48.28 km/h)32.23 mph (51.86 km/h)
35 mph (56.33 km/h)37.6 mph (60.51 km/h)
40 mph (64.37 km/h)42.97 mph (69.15 km/h)
45 mph (72.42 km/h)48.34 mph (77.8 km/h)
50 mph (80.47 km/h)53.71 mph (86.44 km/h)
55 mph (88.51 km/h)59.08 mph (95.08 km/h)
60 mph (96.56 km/h)64.45 mph (103.73 km/h)
65 mph (104.61 km/h)69.83 mph (112.37 km/h)
70 mph (112.65 km/h)75.2 mph (121.02 km/h)
75 mph (120.7 km/h)80.57 mph (129.66 km/h)
80 mph (128.75 km/h)85.94 mph (138.31 km/h)
85 mph (136.79 km/h)91.31 mph (146.95 km/h)
90 mph (144.84 km/h)96.68 mph (155.59 km/h)
95 mph (152.89 km/h)102.05 mph (164.24 km/h)
100 mph (160.93 km/h)107.42 mph (172.88 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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