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 195/95r14 Tire Comparison Side By Side
  185/95-14 195/95-14 Difference
Diameter inches (mm) 27.84 (707.1) 28.59 (726.1) 0.75 (19) 2.7%
Width inches (mm) 7.28 (185) 7.68 (195) 0.39 (10) 5.4%
Circum. inches (mm) 87.46 (2221.42) 89.81 (2281.11) 2.35 (59.69) 2.7%
Sidewall Height inches (mm) 6.92 (175.75) 7.29 (185.25) 0.37 (9.5) 5.4%
Revolutions per mile (km) 724.47 (450.16) 705.51 (438.38) -18.96 (-11.78) -2.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.54 mph (33.05 km/h)
25 mph (40.23 km/h)25.67 mph (41.31 km/h)
30 mph (48.28 km/h)30.81 mph (49.58 km/h)
35 mph (56.33 km/h)35.94 mph (57.84 km/h)
40 mph (64.37 km/h)41.07 mph (66.1 km/h)
45 mph (72.42 km/h)46.21 mph (74.37 km/h)
50 mph (80.47 km/h)51.34 mph (82.63 km/h)
55 mph (88.51 km/h)56.48 mph (90.89 km/h)
60 mph (96.56 km/h)61.61 mph (99.16 km/h)
65 mph (104.61 km/h)66.75 mph (107.42 km/h)
70 mph (112.65 km/h)71.88 mph (115.68 km/h)
75 mph (120.7 km/h)77.02 mph (123.94 km/h)
80 mph (128.75 km/h)82.15 mph (132.21 km/h)
85 mph (136.79 km/h)87.28 mph (140.47 km/h)
90 mph (144.84 km/h)92.42 mph (148.73 km/h)
95 mph (152.89 km/h)97.55 mph (157 km/h)
100 mph (160.93 km/h)102.69 mph (165.26 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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