Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
240/55r16 vs 200/55r16 Tire Comparison Side By Side
  240/55-16 200/55-16 Difference
Diameter inches (mm) 26.39 (670.4) 24.66 (626.4) -1.73 (-44) -6.6%
Width inches (mm) 9.45 (240) 7.87 (200) -1.57 (-40) -16.7%
Circum. inches (mm) 82.92 (2106.12) 77.48 (1967.89) -5.44 (-138.23) -6.6%
Sidewall Height inches (mm) 5.2 (132) 4.33 (110) -0.87 (-22) -16.7%
Revolutions per mile (km) 764.13 (474.81) 817.8 (508.16) 53.67 (33.35) 7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.69 mph (30.07 km/h)
25 mph (40.23 km/h)23.36 mph (37.59 km/h)
30 mph (48.28 km/h)28.03 mph (45.11 km/h)
35 mph (56.33 km/h)32.7 mph (52.63 km/h)
40 mph (64.37 km/h)37.37 mph (60.15 km/h)
45 mph (72.42 km/h)42.05 mph (67.67 km/h)
50 mph (80.47 km/h)46.72 mph (75.19 km/h)
55 mph (88.51 km/h)51.39 mph (82.7 km/h)
60 mph (96.56 km/h)56.06 mph (90.22 km/h)
65 mph (104.61 km/h)60.73 mph (97.74 km/h)
70 mph (112.65 km/h)65.41 mph (105.26 km/h)
75 mph (120.7 km/h)70.08 mph (112.78 km/h)
80 mph (128.75 km/h)74.75 mph (120.3 km/h)
85 mph (136.79 km/h)79.42 mph (127.82 km/h)
90 mph (144.84 km/h)84.09 mph (135.33 km/h)
95 mph (152.89 km/h)88.76 mph (142.85 km/h)
100 mph (160.93 km/h)93.44 mph (150.37 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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