Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/70r16 vs 110/90r16 Tire Comparison Side By Side
  110/70-16 110/90-16 Difference
Diameter inches (mm) 22.06 (560.4) 23.8 (604.4) 1.73 (44) 7.9%
Width inches (mm) 4.33 (110) 4.33 (110) 0 (0) 0%
Circum. inches (mm) 69.31 (1760.55) 74.76 (1898.78) 5.44 (138.23) 7.9%
Sidewall Height inches (mm) 3.03 (77) 3.9 (99) 0.87 (22) 28.6%
Revolutions per mile (km) 914.12 (568) 847.57 (526.65) -66.55 (-41.35) -7.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.57 mph (34.71 km/h)
25 mph (40.23 km/h)26.96 mph (43.39 km/h)
30 mph (48.28 km/h)32.36 mph (52.07 km/h)
35 mph (56.33 km/h)37.75 mph (60.75 km/h)
40 mph (64.37 km/h)43.14 mph (69.43 km/h)
45 mph (72.42 km/h)48.53 mph (78.11 km/h)
50 mph (80.47 km/h)53.93 mph (86.79 km/h)
55 mph (88.51 km/h)59.32 mph (95.46 km/h)
60 mph (96.56 km/h)64.71 mph (104.14 km/h)
65 mph (104.61 km/h)70.1 mph (112.82 km/h)
70 mph (112.65 km/h)75.5 mph (121.5 km/h)
75 mph (120.7 km/h)80.89 mph (130.18 km/h)
80 mph (128.75 km/h)86.28 mph (138.86 km/h)
85 mph (136.79 km/h)91.67 mph (147.53 km/h)
90 mph (144.84 km/h)97.07 mph (156.21 km/h)
95 mph (152.89 km/h)102.46 mph (164.89 km/h)
100 mph (160.93 km/h)107.85 mph (173.57 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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