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 205/95r16 Tire Comparison Side By Side
  240/55-16 205/95-16 Difference
Diameter inches (mm) 26.39 (670.4) 31.33 (795.9) 4.94 (125.5) 18.7%
Width inches (mm) 9.45 (240) 8.07 (205) -1.38 (-35) -14.6%
Circum. inches (mm) 82.92 (2106.12) 98.44 (2500.39) 15.52 (394.27) 18.7%
Sidewall Height inches (mm) 5.2 (132) 7.67 (194.75) 2.47 (62.75) 47.5%
Revolutions per mile (km) 764.13 (474.81) 643.64 (399.94) -120.49 (-74.87) -15.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.74 mph (38.21 km/h)
25 mph (40.23 km/h)29.68 mph (47.77 km/h)
30 mph (48.28 km/h)35.62 mph (57.32 km/h)
35 mph (56.33 km/h)41.55 mph (66.87 km/h)
40 mph (64.37 km/h)47.49 mph (76.42 km/h)
45 mph (72.42 km/h)53.42 mph (85.98 km/h)
50 mph (80.47 km/h)59.36 mph (95.53 km/h)
55 mph (88.51 km/h)65.3 mph (105.08 km/h)
60 mph (96.56 km/h)71.23 mph (114.64 km/h)
65 mph (104.61 km/h)77.17 mph (124.19 km/h)
70 mph (112.65 km/h)83.1 mph (133.74 km/h)
75 mph (120.7 km/h)89.04 mph (143.3 km/h)
80 mph (128.75 km/h)94.98 mph (152.85 km/h)
85 mph (136.79 km/h)100.91 mph (162.4 km/h)
90 mph (144.84 km/h)106.85 mph (171.96 km/h)
95 mph (152.89 km/h)112.78 mph (181.51 km/h)
100 mph (160.93 km/h)118.72 mph (191.06 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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