Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
185/95r14 vs 205/60r14 Tire Comparison Side By Side
  185/95-14 205/60-14 Difference
Diameter inches (mm) 27.84 (707.1) 23.69 (601.6) -4.15 (-105.5) -14.9%
Width inches (mm) 7.28 (185) 8.07 (205) 0.79 (20) 10.8%
Circum. inches (mm) 87.46 (2221.42) 74.41 (1889.98) -13.05 (-331.44) -14.9%
Sidewall Height inches (mm) 6.92 (175.75) 4.84 (123) -2.08 (-52.75) -30%
Revolutions per mile (km) 724.47 (450.16) 851.51 (529.1) 127.05 (78.94) 17.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)17.02 mph (27.38 km/h)
25 mph (40.23 km/h)21.27 mph (34.23 km/h)
30 mph (48.28 km/h)25.52 mph (41.08 km/h)
35 mph (56.33 km/h)29.78 mph (47.92 km/h)
40 mph (64.37 km/h)34.03 mph (54.77 km/h)
45 mph (72.42 km/h)38.29 mph (61.62 km/h)
50 mph (80.47 km/h)42.54 mph (68.46 km/h)
55 mph (88.51 km/h)46.79 mph (75.31 km/h)
60 mph (96.56 km/h)51.05 mph (82.15 km/h)
65 mph (104.61 km/h)55.3 mph (89 km/h)
70 mph (112.65 km/h)59.56 mph (95.85 km/h)
75 mph (120.7 km/h)63.81 mph (102.69 km/h)
80 mph (128.75 km/h)68.06 mph (109.54 km/h)
85 mph (136.79 km/h)72.32 mph (116.38 km/h)
90 mph (144.84 km/h)76.57 mph (123.23 km/h)
95 mph (152.89 km/h)80.83 mph (130.08 km/h)
100 mph (160.93 km/h)85.08 mph (136.92 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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