Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/70r16 vs 110/80r16 Tire Comparison Side By Side
  130/70-16 110/80-16 Difference
Diameter inches (mm) 23.17 (588.4) 22.93 (582.4) -0.24 (-6) -1%
Width inches (mm) 5.12 (130) 4.33 (110) -0.79 (-20) -15.4%
Circum. inches (mm) 72.78 (1848.51) 72.03 (1829.66) -0.74 (-18.85) -1%
Sidewall Height inches (mm) 3.58 (91) 3.46 (88) -0.12 (-3) -3.3%
Revolutions per mile (km) 870.62 (540.97) 879.58 (546.55) 8.97 (5.57) 1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.8 mph (31.86 km/h)
25 mph (40.23 km/h)24.75 mph (39.82 km/h)
30 mph (48.28 km/h)29.69 mph (47.79 km/h)
35 mph (56.33 km/h)34.64 mph (55.75 km/h)
40 mph (64.37 km/h)39.59 mph (63.72 km/h)
45 mph (72.42 km/h)44.54 mph (71.68 km/h)
50 mph (80.47 km/h)49.49 mph (79.65 km/h)
55 mph (88.51 km/h)54.44 mph (87.61 km/h)
60 mph (96.56 km/h)59.39 mph (95.58 km/h)
65 mph (104.61 km/h)64.34 mph (103.54 km/h)
70 mph (112.65 km/h)69.29 mph (111.51 km/h)
75 mph (120.7 km/h)74.24 mph (119.47 km/h)
80 mph (128.75 km/h)79.18 mph (127.43 km/h)
85 mph (136.79 km/h)84.13 mph (135.4 km/h)
90 mph (144.84 km/h)89.08 mph (143.36 km/h)
95 mph (152.89 km/h)94.03 mph (151.33 km/h)
100 mph (160.93 km/h)98.98 mph (159.29 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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