Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/60r16 vs 205/55r16 Tire Comparison Side By Side
  205/60-16 205/55-16 Difference
Diameter inches (mm) 25.69 (652.4) 24.88 (631.9) -0.81 (-20.5) -3.1%
Width inches (mm) 8.07 (205) 8.07 (205) 0 (0) 0%
Circum. inches (mm) 80.69 (2049.58) 78.16 (1985.17) -2.54 (-64.4) -3.1%
Sidewall Height inches (mm) 4.84 (123) 4.44 (112.75) -0.4 (-10.25) -8.3%
Revolutions per mile (km) 785.21 (487.91) 810.68 (503.73) 25.47 (15.83) 3.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.37 mph (31.18 km/h)
25 mph (40.23 km/h)24.21 mph (38.97 km/h)
30 mph (48.28 km/h)29.06 mph (46.76 km/h)
35 mph (56.33 km/h)33.9 mph (54.56 km/h)
40 mph (64.37 km/h)38.74 mph (62.35 km/h)
45 mph (72.42 km/h)43.59 mph (70.14 km/h)
50 mph (80.47 km/h)48.43 mph (77.94 km/h)
55 mph (88.51 km/h)53.27 mph (85.73 km/h)
60 mph (96.56 km/h)58.11 mph (93.53 km/h)
65 mph (104.61 km/h)62.96 mph (101.32 km/h)
70 mph (112.65 km/h)67.8 mph (109.11 km/h)
75 mph (120.7 km/h)72.64 mph (116.91 km/h)
80 mph (128.75 km/h)77.49 mph (124.7 km/h)
85 mph (136.79 km/h)82.33 mph (132.5 km/h)
90 mph (144.84 km/h)87.17 mph (140.29 km/h)
95 mph (152.89 km/h)92.01 mph (148.08 km/h)
100 mph (160.93 km/h)96.86 mph (155.88 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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