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 130/70r16 Tire Comparison Side By Side
  110/70-16 130/70-16 Difference
Diameter inches (mm) 22.06 (560.4) 23.17 (588.4) 1.1 (28) 5%
Width inches (mm) 4.33 (110) 5.12 (130) 0.79 (20) 18.2%
Circum. inches (mm) 69.31 (1760.55) 72.78 (1848.51) 3.46 (87.96) 5%
Sidewall Height inches (mm) 3.03 (77) 3.58 (91) 0.55 (14) 18.2%
Revolutions per mile (km) 914.12 (568) 870.62 (540.97) -43.5 (-27.03) -4.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21 mph (33.8 km/h)
25 mph (40.23 km/h)26.25 mph (42.24 km/h)
30 mph (48.28 km/h)31.5 mph (50.69 km/h)
35 mph (56.33 km/h)36.75 mph (59.14 km/h)
40 mph (64.37 km/h)42 mph (67.59 km/h)
45 mph (72.42 km/h)47.25 mph (76.04 km/h)
50 mph (80.47 km/h)52.5 mph (84.49 km/h)
55 mph (88.51 km/h)57.75 mph (92.94 km/h)
60 mph (96.56 km/h)63 mph (101.39 km/h)
65 mph (104.61 km/h)68.25 mph (109.83 km/h)
70 mph (112.65 km/h)73.5 mph (118.28 km/h)
75 mph (120.7 km/h)78.75 mph (126.73 km/h)
80 mph (128.75 km/h)84 mph (135.18 km/h)
85 mph (136.79 km/h)89.25 mph (143.63 km/h)
90 mph (144.84 km/h)94.5 mph (152.08 km/h)
95 mph (152.89 km/h)99.75 mph (160.53 km/h)
100 mph (160.93 km/h)105 mph (168.98 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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