Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/60r16 vs 275/60r16 Tire Comparison Side By Side
  265/60-16 275/60-16 Difference
Diameter inches (mm) 28.52 (724.4) 28.99 (736.4) 0.47 (12) 1.7%
Width inches (mm) 10.43 (265) 10.83 (275) 0.39 (10) 3.8%
Circum. inches (mm) 89.6 (2275.77) 91.08 (2313.47) 1.48 (37.7) 1.7%
Sidewall Height inches (mm) 6.26 (159) 6.5 (165) 0.24 (6) 3.8%
Revolutions per mile (km) 707.16 (439.41) 695.64 (432.25) -11.52 (-7.16) -1.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.33 mph (32.72 km/h)
25 mph (40.23 km/h)25.41 mph (40.9 km/h)
30 mph (48.28 km/h)30.5 mph (49.08 km/h)
35 mph (56.33 km/h)35.58 mph (57.26 km/h)
40 mph (64.37 km/h)40.66 mph (65.44 km/h)
45 mph (72.42 km/h)45.75 mph (73.62 km/h)
50 mph (80.47 km/h)50.83 mph (81.8 km/h)
55 mph (88.51 km/h)55.91 mph (89.98 km/h)
60 mph (96.56 km/h)60.99 mph (98.16 km/h)
65 mph (104.61 km/h)66.08 mph (106.34 km/h)
70 mph (112.65 km/h)71.16 mph (114.52 km/h)
75 mph (120.7 km/h)76.24 mph (122.7 km/h)
80 mph (128.75 km/h)81.33 mph (130.88 km/h)
85 mph (136.79 km/h)86.41 mph (139.06 km/h)
90 mph (144.84 km/h)91.49 mph (147.24 km/h)
95 mph (152.89 km/h)96.57 mph (155.42 km/h)
100 mph (160.93 km/h)101.66 mph (163.6 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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