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 295/50r16 Tire Comparison Side By Side
  295/35-15 295/50-16 Difference
Diameter inches (mm) 23.13 (587.5) 27.61 (701.4) 4.48 (113.9) 19.4%
Width inches (mm) 11.61 (295) 11.61 (295) 0 (0) 0%
Circum. inches (mm) 72.66 (1845.69) 86.75 (2203.51) 14.09 (357.83) 19.4%
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) 730.35 (453.82) -141.6 (-87.98) -16.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.88 mph (38.43 km/h)
25 mph (40.23 km/h)29.85 mph (48.03 km/h)
30 mph (48.28 km/h)35.82 mph (57.64 km/h)
35 mph (56.33 km/h)41.79 mph (67.25 km/h)
40 mph (64.37 km/h)47.75 mph (76.85 km/h)
45 mph (72.42 km/h)53.72 mph (86.46 km/h)
50 mph (80.47 km/h)59.69 mph (96.07 km/h)
55 mph (88.51 km/h)65.66 mph (105.67 km/h)
60 mph (96.56 km/h)71.63 mph (115.28 km/h)
65 mph (104.61 km/h)77.6 mph (124.89 km/h)
70 mph (112.65 km/h)83.57 mph (134.49 km/h)
75 mph (120.7 km/h)89.54 mph (144.1 km/h)
80 mph (128.75 km/h)95.51 mph (153.71 km/h)
85 mph (136.79 km/h)101.48 mph (163.32 km/h)
90 mph (144.84 km/h)107.45 mph (172.92 km/h)
95 mph (152.89 km/h)113.42 mph (182.53 km/h)
100 mph (160.93 km/h)119.39 mph (192.14 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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