Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/65r16 vs 205/60r16 Tire Comparison Side By Side
  205/65-16 205/60-16 Difference
Diameter inches (mm) 26.49 (672.9) 25.69 (652.4) -0.81 (-20.5) -3%
Width inches (mm) 8.07 (205) 8.07 (205) 0 (0) 0%
Circum. inches (mm) 83.23 (2113.98) 80.69 (2049.58) -2.54 (-64.4) -3%
Sidewall Height inches (mm) 5.25 (133.25) 4.84 (123) -0.4 (-10.25) -7.7%
Revolutions per mile (km) 761.29 (473.04) 785.21 (487.91) 23.92 (14.86) 3.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.39 mph (31.21 km/h)
25 mph (40.23 km/h)24.24 mph (39.01 km/h)
30 mph (48.28 km/h)29.09 mph (46.81 km/h)
35 mph (56.33 km/h)33.93 mph (54.61 km/h)
40 mph (64.37 km/h)38.78 mph (62.41 km/h)
45 mph (72.42 km/h)43.63 mph (70.21 km/h)
50 mph (80.47 km/h)48.48 mph (78.02 km/h)
55 mph (88.51 km/h)53.32 mph (85.82 km/h)
60 mph (96.56 km/h)58.17 mph (93.62 km/h)
65 mph (104.61 km/h)63.02 mph (101.42 km/h)
70 mph (112.65 km/h)67.87 mph (109.22 km/h)
75 mph (120.7 km/h)72.72 mph (117.02 km/h)
80 mph (128.75 km/h)77.56 mph (124.83 km/h)
85 mph (136.79 km/h)82.41 mph (132.63 km/h)
90 mph (144.84 km/h)87.26 mph (140.43 km/h)
95 mph (152.89 km/h)92.11 mph (148.23 km/h)
100 mph (160.93 km/h)96.95 mph (156.03 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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