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 245/50r16 Tire Comparison Side By Side
  295/50-16 245/50-16 Difference
Diameter inches (mm) 27.61 (701.4) 25.65 (651.4) -1.97 (-50) -7.1%
Width inches (mm) 11.61 (295) 9.65 (245) -1.97 (-50) -16.9%
Circum. inches (mm) 86.75 (2203.51) 80.57 (2046.43) -6.18 (-157.08) -7.1%
Sidewall Height inches (mm) 5.81 (147.5) 4.82 (122.5) -0.98 (-25) -16.9%
Revolutions per mile (km) 730.35 (453.82) 786.41 (488.65) 56.06 (34.83) 7.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.57 mph (29.89 km/h)
25 mph (40.23 km/h)23.22 mph (37.37 km/h)
30 mph (48.28 km/h)27.86 mph (44.84 km/h)
35 mph (56.33 km/h)32.5 mph (52.31 km/h)
40 mph (64.37 km/h)37.15 mph (59.78 km/h)
45 mph (72.42 km/h)41.79 mph (67.26 km/h)
50 mph (80.47 km/h)46.44 mph (74.73 km/h)
55 mph (88.51 km/h)51.08 mph (82.2 km/h)
60 mph (96.56 km/h)55.72 mph (89.68 km/h)
65 mph (104.61 km/h)60.37 mph (97.15 km/h)
70 mph (112.65 km/h)65.01 mph (104.62 km/h)
75 mph (120.7 km/h)69.65 mph (112.1 km/h)
80 mph (128.75 km/h)74.3 mph (119.57 km/h)
85 mph (136.79 km/h)78.94 mph (127.04 km/h)
90 mph (144.84 km/h)83.58 mph (134.52 km/h)
95 mph (152.89 km/h)88.23 mph (141.99 km/h)
100 mph (160.93 km/h)92.87 mph (149.46 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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