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 35/10r16 Tire Comparison Side By Side
  315/45-16 35/10-16 Difference
Diameter inches (mm) 27.16 (689.9) 35 (889) 7.84 (199.1) 28.9%
Width inches (mm) 12.4 (315) 10 (254) -2.4 (-61) -19.4%
Circum. inches (mm) 85.33 (2167.38) 109.96 (2792.88) 24.63 (625.49) 28.9%
Sidewall Height inches (mm) 5.58 (141.75) 9.5 (241.3) 3.92 (99.55) 70.2%
Revolutions per mile (km) 742.53 (461.38) 576.23 (358.05) -166.3 (-103.33) -22.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)25.77 mph (41.48 km/h)
25 mph (40.23 km/h)32.21 mph (51.84 km/h)
30 mph (48.28 km/h)38.66 mph (62.21 km/h)
35 mph (56.33 km/h)45.1 mph (72.58 km/h)
40 mph (64.37 km/h)51.54 mph (82.95 km/h)
45 mph (72.42 km/h)57.99 mph (93.32 km/h)
50 mph (80.47 km/h)64.43 mph (103.69 km/h)
55 mph (88.51 km/h)70.87 mph (114.06 km/h)
60 mph (96.56 km/h)77.32 mph (124.43 km/h)
65 mph (104.61 km/h)83.76 mph (134.8 km/h)
70 mph (112.65 km/h)90.2 mph (145.17 km/h)
75 mph (120.7 km/h)96.64 mph (155.53 km/h)
80 mph (128.75 km/h)103.09 mph (165.9 km/h)
85 mph (136.79 km/h)109.53 mph (176.27 km/h)
90 mph (144.84 km/h)115.97 mph (186.64 km/h)
95 mph (152.89 km/h)122.42 mph (197.01 km/h)
100 mph (160.93 km/h)128.86 mph (207.38 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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