Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
315/45r16 vs 315/95r16 Tire Comparison Side By Side
  315/45-16 315/95-16 Difference
Diameter inches (mm) 27.16 (689.9) 39.56 (1004.9) 12.4 (315) 45.7%
Width inches (mm) 12.4 (315) 12.4 (315) 0 (0) 0%
Circum. inches (mm) 85.33 (2167.38) 124.29 (3156.99) 38.96 (989.6) 45.7%
Sidewall Height inches (mm) 5.58 (141.75) 11.78 (299.25) 6.2 (157.5) 111.1%
Revolutions per mile (km) 742.53 (461.38) 509.77 (316.76) -232.76 (-144.63) -31.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)29.13 mph (46.88 km/h)
25 mph (40.23 km/h)36.41 mph (58.6 km/h)
30 mph (48.28 km/h)43.7 mph (70.32 km/h)
35 mph (56.33 km/h)50.98 mph (82.05 km/h)
40 mph (64.37 km/h)58.26 mph (93.77 km/h)
45 mph (72.42 km/h)65.55 mph (105.49 km/h)
50 mph (80.47 km/h)72.83 mph (117.21 km/h)
55 mph (88.51 km/h)80.11 mph (128.93 km/h)
60 mph (96.56 km/h)87.4 mph (140.65 km/h)
65 mph (104.61 km/h)94.68 mph (152.37 km/h)
70 mph (112.65 km/h)101.96 mph (164.09 km/h)
75 mph (120.7 km/h)109.24 mph (175.81 km/h)
80 mph (128.75 km/h)116.53 mph (187.53 km/h)
85 mph (136.79 km/h)123.81 mph (199.25 km/h)
90 mph (144.84 km/h)131.09 mph (210.97 km/h)
95 mph (152.89 km/h)138.38 mph (222.69 km/h)
100 mph (160.93 km/h)145.66 mph (234.42 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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