Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/65r14 vs 195/60r14 Tire Comparison Side By Side
  195/65-14 195/60-14 Difference
Diameter inches (mm) 23.98 (609.1) 23.21 (589.6) -0.77 (-19.5) -3.2%
Width inches (mm) 7.68 (195) 7.68 (195) 0 (0) 0%
Circum. inches (mm) 75.34 (1913.54) 72.92 (1852.28) -2.41 (-61.26) -3.2%
Sidewall Height inches (mm) 4.99 (126.75) 4.61 (117) -0.38 (-9.75) -7.7%
Revolutions per mile (km) 841.03 (522.59) 868.84 (539.87) 27.82 (17.28) 3.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.36 mph (31.16 km/h)
25 mph (40.23 km/h)24.2 mph (38.95 km/h)
30 mph (48.28 km/h)29.04 mph (46.73 km/h)
35 mph (56.33 km/h)33.88 mph (54.52 km/h)
40 mph (64.37 km/h)38.72 mph (62.31 km/h)
45 mph (72.42 km/h)43.56 mph (70.1 km/h)
50 mph (80.47 km/h)48.4 mph (77.89 km/h)
55 mph (88.51 km/h)53.24 mph (85.68 km/h)
60 mph (96.56 km/h)58.08 mph (93.47 km/h)
65 mph (104.61 km/h)62.92 mph (101.26 km/h)
70 mph (112.65 km/h)67.76 mph (109.05 km/h)
75 mph (120.7 km/h)72.6 mph (116.84 km/h)
80 mph (128.75 km/h)77.44 mph (124.63 km/h)
85 mph (136.79 km/h)82.28 mph (132.42 km/h)
90 mph (144.84 km/h)87.12 mph (140.2 km/h)
95 mph (152.89 km/h)91.96 mph (147.99 km/h)
100 mph (160.93 km/h)96.8 mph (155.78 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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