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 295/50r15 Tire Comparison Side By Side
  295/50-16 295/50-15 Difference
Diameter inches (mm) 27.61 (701.4) 26.61 (676) -1 (-25.4) -3.6%
Width inches (mm) 11.61 (295) 11.61 (295) 0 (0) 0%
Circum. inches (mm) 86.75 (2203.51) 83.61 (2123.72) -3.14 (-79.8) -3.6%
Sidewall Height inches (mm) 5.81 (147.5) 5.81 (147.5) 0 (0) 0%
Revolutions per mile (km) 730.35 (453.82) 757.8 (470.87) 27.44 (17.05) 3.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.28 mph (31.02 km/h)
25 mph (40.23 km/h)24.09 mph (38.78 km/h)
30 mph (48.28 km/h)28.91 mph (46.53 km/h)
35 mph (56.33 km/h)33.73 mph (54.29 km/h)
40 mph (64.37 km/h)38.55 mph (62.04 km/h)
45 mph (72.42 km/h)43.37 mph (69.8 km/h)
50 mph (80.47 km/h)48.19 mph (77.55 km/h)
55 mph (88.51 km/h)53.01 mph (85.31 km/h)
60 mph (96.56 km/h)57.83 mph (93.06 km/h)
65 mph (104.61 km/h)62.65 mph (100.82 km/h)
70 mph (112.65 km/h)67.47 mph (108.57 km/h)
75 mph (120.7 km/h)72.28 mph (116.33 km/h)
80 mph (128.75 km/h)77.1 mph (124.09 km/h)
85 mph (136.79 km/h)81.92 mph (131.84 km/h)
90 mph (144.84 km/h)86.74 mph (139.6 km/h)
95 mph (152.89 km/h)91.56 mph (147.35 km/h)
100 mph (160.93 km/h)96.38 mph (155.11 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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