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 195/70r16 Tire Comparison Side By Side
  160/60-16 195/70-16 Difference
Diameter inches (mm) 23.56 (598.4) 26.75 (679.4) 3.19 (81) 13.5%
Width inches (mm) 6.3 (160) 7.68 (195) 1.38 (35) 21.9%
Circum. inches (mm) 74.01 (1879.93) 84.03 (2134.4) 10.02 (254.47) 13.5%
Sidewall Height inches (mm) 3.78 (96) 5.37 (136.5) 1.59 (40.5) 42.2%
Revolutions per mile (km) 856.07 (531.93) 754 (468.52) -102.06 (-63.42) -11.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.71 mph (36.54 km/h)
25 mph (40.23 km/h)28.38 mph (45.68 km/h)
30 mph (48.28 km/h)34.06 mph (54.82 km/h)
35 mph (56.33 km/h)39.74 mph (63.95 km/h)
40 mph (64.37 km/h)45.41 mph (73.09 km/h)
45 mph (72.42 km/h)51.09 mph (82.22 km/h)
50 mph (80.47 km/h)56.77 mph (91.36 km/h)
55 mph (88.51 km/h)62.44 mph (100.5 km/h)
60 mph (96.56 km/h)68.12 mph (109.63 km/h)
65 mph (104.61 km/h)73.8 mph (118.77 km/h)
70 mph (112.65 km/h)79.48 mph (127.9 km/h)
75 mph (120.7 km/h)85.15 mph (137.04 km/h)
80 mph (128.75 km/h)90.83 mph (146.18 km/h)
85 mph (136.79 km/h)96.51 mph (155.31 km/h)
90 mph (144.84 km/h)102.18 mph (164.45 km/h)
95 mph (152.89 km/h)107.86 mph (173.58 km/h)
100 mph (160.93 km/h)113.54 mph (182.72 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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