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 195/75r16 Tire Comparison Side By Side
  160/60-16 195/75-16 Difference
Diameter inches (mm) 23.56 (598.4) 27.52 (698.9) 3.96 (100.5) 16.8%
Width inches (mm) 6.3 (160) 7.68 (195) 1.38 (35) 21.9%
Circum. inches (mm) 74.01 (1879.93) 86.44 (2195.66) 12.43 (315.73) 16.8%
Sidewall Height inches (mm) 3.78 (96) 5.76 (146.25) 1.98 (50.25) 52.3%
Revolutions per mile (km) 856.07 (531.93) 732.97 (455.44) -123.1 (-76.49) -14.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.36 mph (37.59 km/h)
25 mph (40.23 km/h)29.2 mph (46.99 km/h)
30 mph (48.28 km/h)35.04 mph (56.39 km/h)
35 mph (56.33 km/h)40.88 mph (65.79 km/h)
40 mph (64.37 km/h)46.72 mph (75.19 km/h)
45 mph (72.42 km/h)52.56 mph (84.58 km/h)
50 mph (80.47 km/h)58.4 mph (93.98 km/h)
55 mph (88.51 km/h)64.24 mph (103.38 km/h)
60 mph (96.56 km/h)70.08 mph (112.78 km/h)
65 mph (104.61 km/h)75.92 mph (122.18 km/h)
70 mph (112.65 km/h)81.76 mph (131.57 km/h)
75 mph (120.7 km/h)87.6 mph (140.97 km/h)
80 mph (128.75 km/h)93.44 mph (150.37 km/h)
85 mph (136.79 km/h)99.28 mph (159.77 km/h)
90 mph (144.84 km/h)105.12 mph (169.17 km/h)
95 mph (152.89 km/h)110.96 mph (178.57 km/h)
100 mph (160.93 km/h)116.79 mph (187.96 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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