Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
245/60r16 vs 265/60r16 Tire Comparison Side By Side
  245/60-16 265/60-16 Difference
Diameter inches (mm) 27.57 (700.4) 28.52 (724.4) 0.94 (24) 3.4%
Width inches (mm) 9.65 (245) 10.43 (265) 0.79 (20) 8.2%
Circum. inches (mm) 86.63 (2200.37) 89.6 (2275.77) 2.97 (75.4) 3.4%
Sidewall Height inches (mm) 5.79 (147) 6.26 (159) 0.47 (12) 8.2%
Revolutions per mile (km) 731.4 (454.47) 707.16 (439.41) -24.23 (-15.06) -3.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.69 mph (33.29 km/h)
25 mph (40.23 km/h)25.86 mph (41.61 km/h)
30 mph (48.28 km/h)31.03 mph (49.93 km/h)
35 mph (56.33 km/h)36.2 mph (58.26 km/h)
40 mph (64.37 km/h)41.37 mph (66.58 km/h)
45 mph (72.42 km/h)46.54 mph (74.9 km/h)
50 mph (80.47 km/h)51.71 mph (83.22 km/h)
55 mph (88.51 km/h)56.88 mph (91.55 km/h)
60 mph (96.56 km/h)62.06 mph (99.87 km/h)
65 mph (104.61 km/h)67.23 mph (108.19 km/h)
70 mph (112.65 km/h)72.4 mph (116.51 km/h)
75 mph (120.7 km/h)77.57 mph (124.84 km/h)
80 mph (128.75 km/h)82.74 mph (133.16 km/h)
85 mph (136.79 km/h)87.91 mph (141.48 km/h)
90 mph (144.84 km/h)93.08 mph (149.8 km/h)
95 mph (152.89 km/h)98.26 mph (158.13 km/h)
100 mph (160.93 km/h)103.43 mph (166.45 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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