Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/45r17 vs 265/45r17 Tire Comparison Side By Side
  295/45-17 265/45-17 Difference
Diameter inches (mm) 27.45 (697.3) 26.39 (670.3) -1.06 (-27) -3.9%
Width inches (mm) 11.61 (295) 10.43 (265) -1.18 (-30) -10.2%
Circum. inches (mm) 86.25 (2190.63) 82.91 (2105.81) -3.34 (-84.82) -3.9%
Sidewall Height inches (mm) 5.23 (132.75) 4.69 (119.25) -0.53 (-13.5) -10.2%
Revolutions per mile (km) 734.65 (456.49) 764.24 (474.88) 29.59 (18.39) 4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.23 mph (30.94 km/h)
25 mph (40.23 km/h)24.03 mph (38.68 km/h)
30 mph (48.28 km/h)28.84 mph (46.41 km/h)
35 mph (56.33 km/h)33.64 mph (54.15 km/h)
40 mph (64.37 km/h)38.45 mph (61.88 km/h)
45 mph (72.42 km/h)43.26 mph (69.62 km/h)
50 mph (80.47 km/h)48.06 mph (77.35 km/h)
55 mph (88.51 km/h)52.87 mph (85.09 km/h)
60 mph (96.56 km/h)57.68 mph (92.82 km/h)
65 mph (104.61 km/h)62.48 mph (100.56 km/h)
70 mph (112.65 km/h)67.29 mph (108.29 km/h)
75 mph (120.7 km/h)72.1 mph (116.03 km/h)
80 mph (128.75 km/h)76.9 mph (123.76 km/h)
85 mph (136.79 km/h)81.71 mph (131.5 km/h)
90 mph (144.84 km/h)86.52 mph (139.23 km/h)
95 mph (152.89 km/h)91.32 mph (146.97 km/h)
100 mph (160.93 km/h)96.13 mph (154.7 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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