Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/50r16 vs 285/75r16 Tire Comparison Side By Side
  295/50-16 285/75-16 Difference
Diameter inches (mm) 27.61 (701.4) 32.83 (833.9) 5.22 (132.5) 18.9%
Width inches (mm) 11.61 (295) 11.22 (285) -0.39 (-10) -3.4%
Circum. inches (mm) 86.75 (2203.51) 103.14 (2619.77) 16.39 (416.26) 18.9%
Sidewall Height inches (mm) 5.81 (147.5) 8.42 (213.75) 2.61 (66.25) 44.9%
Revolutions per mile (km) 730.35 (453.82) 614.31 (381.71) -116.05 (-72.11) -15.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.78 mph (38.27 km/h)
25 mph (40.23 km/h)29.72 mph (47.83 km/h)
30 mph (48.28 km/h)35.67 mph (57.4 km/h)
35 mph (56.33 km/h)41.61 mph (66.97 km/h)
40 mph (64.37 km/h)47.56 mph (76.53 km/h)
45 mph (72.42 km/h)53.5 mph (86.1 km/h)
50 mph (80.47 km/h)59.45 mph (95.67 km/h)
55 mph (88.51 km/h)65.39 mph (105.24 km/h)
60 mph (96.56 km/h)71.33 mph (114.8 km/h)
65 mph (104.61 km/h)77.28 mph (124.37 km/h)
70 mph (112.65 km/h)83.22 mph (133.94 km/h)
75 mph (120.7 km/h)89.17 mph (143.5 km/h)
80 mph (128.75 km/h)95.11 mph (153.07 km/h)
85 mph (136.79 km/h)101.06 mph (162.64 km/h)
90 mph (144.84 km/h)107 mph (172.2 km/h)
95 mph (152.89 km/h)112.95 mph (181.77 km/h)
100 mph (160.93 km/h)118.89 mph (191.34 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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