Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
160/60r16 vs 195/55r16 Tire Comparison Side By Side
  160/60-16 195/55-16 Difference
Diameter inches (mm) 23.56 (598.4) 24.44 (620.9) 0.89 (22.5) 3.8%
Width inches (mm) 6.3 (160) 7.68 (195) 1.38 (35) 21.9%
Circum. inches (mm) 74.01 (1879.93) 76.8 (1950.61) 2.78 (70.69) 3.8%
Sidewall Height inches (mm) 3.78 (96) 4.22 (107.25) 0.44 (11.25) 11.7%
Revolutions per mile (km) 856.07 (531.93) 825.04 (512.66) -31.02 (-19.28) -3.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.75 mph (33.4 km/h)
25 mph (40.23 km/h)25.94 mph (41.75 km/h)
30 mph (48.28 km/h)31.13 mph (50.1 km/h)
35 mph (56.33 km/h)36.32 mph (58.45 km/h)
40 mph (64.37 km/h)41.5 mph (66.79 km/h)
45 mph (72.42 km/h)46.69 mph (75.14 km/h)
50 mph (80.47 km/h)51.88 mph (83.49 km/h)
55 mph (88.51 km/h)57.07 mph (91.84 km/h)
60 mph (96.56 km/h)62.26 mph (100.19 km/h)
65 mph (104.61 km/h)67.44 mph (108.54 km/h)
70 mph (112.65 km/h)72.63 mph (116.89 km/h)
75 mph (120.7 km/h)77.82 mph (125.24 km/h)
80 mph (128.75 km/h)83.01 mph (133.59 km/h)
85 mph (136.79 km/h)88.2 mph (141.94 km/h)
90 mph (144.84 km/h)93.38 mph (150.29 km/h)
95 mph (152.89 km/h)98.57 mph (158.64 km/h)
100 mph (160.93 km/h)103.76 mph (166.99 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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