Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
315/25r23 vs 335/55r24 Tire Comparison Side By Side
  315/25-23 335/55-24 Difference
Diameter inches (mm) 29.2 (741.7) 38.51 (978.1) 9.31 (236.4) 31.9%
Width inches (mm) 12.4 (315) 13.19 (335) 0.79 (20) 6.3%
Circum. inches (mm) 91.74 (2330.12) 120.98 (3072.79) 29.24 (742.67) 31.9%
Sidewall Height inches (mm) 3.1 (78.75) 7.25 (184.25) 4.15 (105.5) 134%
Revolutions per mile (km) 690.67 (429.16) 523.74 (325.44) -166.93 (-103.73) -24.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)26.37 mph (42.45 km/h)
25 mph (40.23 km/h)32.97 mph (53.06 km/h)
30 mph (48.28 km/h)39.56 mph (63.67 km/h)
35 mph (56.33 km/h)46.16 mph (74.28 km/h)
40 mph (64.37 km/h)52.75 mph (84.89 km/h)
45 mph (72.42 km/h)59.34 mph (95.5 km/h)
50 mph (80.47 km/h)65.94 mph (106.11 km/h)
55 mph (88.51 km/h)72.53 mph (116.73 km/h)
60 mph (96.56 km/h)79.12 mph (127.34 km/h)
65 mph (104.61 km/h)85.72 mph (137.95 km/h)
70 mph (112.65 km/h)92.31 mph (148.56 km/h)
75 mph (120.7 km/h)98.9 mph (159.17 km/h)
80 mph (128.75 km/h)105.5 mph (169.78 km/h)
85 mph (136.79 km/h)112.09 mph (180.39 km/h)
90 mph (144.84 km/h)118.69 mph (191.01 km/h)
95 mph (152.89 km/h)125.28 mph (201.62 km/h)
100 mph (160.93 km/h)131.87 mph (212.23 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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