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 100/100r16 Tire Comparison Side By Side
  110/70-16 100/100-16 Difference
Diameter inches (mm) 22.06 (560.4) 23.87 (606.4) 1.81 (46) 8.2%
Width inches (mm) 4.33 (110) 3.94 (100) -0.39 (-10) -9.1%
Circum. inches (mm) 69.31 (1760.55) 75 (1905.06) 5.69 (144.51) 8.2%
Sidewall Height inches (mm) 3.03 (77) 3.94 (100) 0.91 (23) 29.9%
Revolutions per mile (km) 914.12 (568) 844.77 (524.92) -69.34 (-43.09) -7.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.64 mph (34.83 km/h)
25 mph (40.23 km/h)27.05 mph (43.54 km/h)
30 mph (48.28 km/h)32.46 mph (52.24 km/h)
35 mph (56.33 km/h)37.87 mph (60.95 km/h)
40 mph (64.37 km/h)43.28 mph (69.66 km/h)
45 mph (72.42 km/h)48.69 mph (78.37 km/h)
50 mph (80.47 km/h)54.1 mph (87.07 km/h)
55 mph (88.51 km/h)59.51 mph (95.78 km/h)
60 mph (96.56 km/h)64.93 mph (104.49 km/h)
65 mph (104.61 km/h)70.34 mph (113.19 km/h)
70 mph (112.65 km/h)75.75 mph (121.9 km/h)
75 mph (120.7 km/h)81.16 mph (130.61 km/h)
80 mph (128.75 km/h)86.57 mph (139.32 km/h)
85 mph (136.79 km/h)91.98 mph (148.02 km/h)
90 mph (144.84 km/h)97.39 mph (156.73 km/h)
95 mph (152.89 km/h)102.8 mph (165.44 km/h)
100 mph (160.93 km/h)108.21 mph (174.14 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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