Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/35r15 vs 295/50r15 Tire Comparison Side By Side
  295/35-15 295/50-15 Difference
Diameter inches (mm) 23.13 (587.5) 26.61 (676) 3.48 (88.5) 15.1%
Width inches (mm) 11.61 (295) 11.61 (295) 0 (0) 0%
Circum. inches (mm) 72.66 (1845.69) 83.61 (2123.72) 10.95 (278.03) 15.1%
Sidewall Height inches (mm) 4.06 (103.25) 5.81 (147.5) 1.74 (44.25) 42.9%
Revolutions per mile (km) 871.95 (541.8) 757.8 (470.87) -114.15 (-70.93) -13.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.01 mph (37.04 km/h)
25 mph (40.23 km/h)28.77 mph (46.29 km/h)
30 mph (48.28 km/h)34.52 mph (55.55 km/h)
35 mph (56.33 km/h)40.27 mph (64.81 km/h)
40 mph (64.37 km/h)46.03 mph (74.07 km/h)
45 mph (72.42 km/h)51.78 mph (83.33 km/h)
50 mph (80.47 km/h)57.53 mph (92.59 km/h)
55 mph (88.51 km/h)63.29 mph (101.85 km/h)
60 mph (96.56 km/h)69.04 mph (111.11 km/h)
65 mph (104.61 km/h)74.79 mph (120.37 km/h)
70 mph (112.65 km/h)80.54 mph (129.62 km/h)
75 mph (120.7 km/h)86.3 mph (138.88 km/h)
80 mph (128.75 km/h)92.05 mph (148.14 km/h)
85 mph (136.79 km/h)97.8 mph (157.4 km/h)
90 mph (144.84 km/h)103.56 mph (166.66 km/h)
95 mph (152.89 km/h)109.31 mph (175.92 km/h)
100 mph (160.93 km/h)115.06 mph (185.18 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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