Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
200/70r15 vs 295/55r14 Tire Comparison Side By Side
  200/70-15 295/55-14 Difference
Diameter inches (mm) 26.02 (661) 26.78 (680.1) 0.75 (19.1) 2.9%
Width inches (mm) 7.87 (200) 11.61 (295) 3.74 (95) 47.5%
Circum. inches (mm) 81.76 (2076.59) 84.12 (2136.6) 2.36 (60) 2.9%
Sidewall Height inches (mm) 5.51 (140) 6.39 (162.25) 0.88 (22.25) 15.9%
Revolutions per mile (km) 774.99 (481.56) 753.23 (468.03) -21.76 (-13.52) -2.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.58 mph (33.12 km/h)
25 mph (40.23 km/h)25.72 mph (41.4 km/h)
30 mph (48.28 km/h)30.87 mph (49.68 km/h)
35 mph (56.33 km/h)36.01 mph (57.95 km/h)
40 mph (64.37 km/h)41.16 mph (66.23 km/h)
45 mph (72.42 km/h)46.3 mph (74.51 km/h)
50 mph (80.47 km/h)51.44 mph (82.79 km/h)
55 mph (88.51 km/h)56.59 mph (91.07 km/h)
60 mph (96.56 km/h)61.73 mph (99.35 km/h)
65 mph (104.61 km/h)66.88 mph (107.63 km/h)
70 mph (112.65 km/h)72.02 mph (115.91 km/h)
75 mph (120.7 km/h)77.17 mph (124.19 km/h)
80 mph (128.75 km/h)82.31 mph (132.47 km/h)
85 mph (136.79 km/h)87.46 mph (140.75 km/h)
90 mph (144.84 km/h)92.6 mph (149.03 km/h)
95 mph (152.89 km/h)97.75 mph (157.31 km/h)
100 mph (160.93 km/h)102.89 mph (165.59 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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