Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/25r26 vs 255/25r26 Tire Comparison Side By Side
  295/25-26 255/25-26 Difference
Diameter inches (mm) 31.81 (807.9) 31.02 (787.9) -0.79 (-20) -2.5%
Width inches (mm) 11.61 (295) 10.04 (255) -1.57 (-40) -13.6%
Circum. inches (mm) 99.92 (2538.09) 97.45 (2475.26) -2.47 (-62.83) -2.5%
Sidewall Height inches (mm) 2.9 (73.75) 2.51 (63.75) -0.39 (-10) -13.6%
Revolutions per mile (km) 634.08 (394) 650.17 (404) 16.1 (10) 2.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.5 mph (31.39 km/h)
25 mph (40.23 km/h)24.38 mph (39.24 km/h)
30 mph (48.28 km/h)29.26 mph (47.09 km/h)
35 mph (56.33 km/h)34.13 mph (54.93 km/h)
40 mph (64.37 km/h)39.01 mph (62.78 km/h)
45 mph (72.42 km/h)43.89 mph (70.63 km/h)
50 mph (80.47 km/h)48.76 mph (78.48 km/h)
55 mph (88.51 km/h)53.64 mph (86.32 km/h)
60 mph (96.56 km/h)58.51 mph (94.17 km/h)
65 mph (104.61 km/h)63.39 mph (102.02 km/h)
70 mph (112.65 km/h)68.27 mph (109.87 km/h)
75 mph (120.7 km/h)73.14 mph (117.71 km/h)
80 mph (128.75 km/h)78.02 mph (125.56 km/h)
85 mph (136.79 km/h)82.9 mph (133.41 km/h)
90 mph (144.84 km/h)87.77 mph (141.26 km/h)
95 mph (152.89 km/h)92.65 mph (149.1 km/h)
100 mph (160.93 km/h)97.52 mph (156.95 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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