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 195/60r16 Tire Comparison Side By Side
  205/60-16 195/60-16 Difference
Diameter inches (mm) 25.69 (652.4) 25.21 (640.4) -0.47 (-12) -1.8%
Width inches (mm) 8.07 (205) 7.68 (195) -0.39 (-10) -4.9%
Circum. inches (mm) 80.69 (2049.58) 79.21 (2011.88) -1.48 (-37.7) -1.8%
Sidewall Height inches (mm) 4.84 (123) 4.61 (117) -0.24 (-6) -4.9%
Revolutions per mile (km) 785.21 (487.91) 799.92 (497.05) 14.71 (9.14) 1.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.63 mph (31.59 km/h)
25 mph (40.23 km/h)24.54 mph (39.49 km/h)
30 mph (48.28 km/h)29.45 mph (47.39 km/h)
35 mph (56.33 km/h)34.36 mph (55.29 km/h)
40 mph (64.37 km/h)39.26 mph (63.19 km/h)
45 mph (72.42 km/h)44.17 mph (71.09 km/h)
50 mph (80.47 km/h)49.08 mph (78.99 km/h)
55 mph (88.51 km/h)53.99 mph (86.89 km/h)
60 mph (96.56 km/h)58.9 mph (94.78 km/h)
65 mph (104.61 km/h)63.8 mph (102.68 km/h)
70 mph (112.65 km/h)68.71 mph (110.58 km/h)
75 mph (120.7 km/h)73.62 mph (118.48 km/h)
80 mph (128.75 km/h)78.53 mph (126.38 km/h)
85 mph (136.79 km/h)83.44 mph (134.28 km/h)
90 mph (144.84 km/h)88.34 mph (142.18 km/h)
95 mph (152.89 km/h)93.25 mph (150.08 km/h)
100 mph (160.93 km/h)98.16 mph (157.97 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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