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 295/70r14 Tire Comparison Side By Side
  200/70-15 295/70-14 Difference
Diameter inches (mm) 26.02 (661) 30.26 (768.6) 4.24 (107.6) 16.3%
Width inches (mm) 7.87 (200) 11.61 (295) 3.74 (95) 47.5%
Circum. inches (mm) 81.76 (2076.59) 95.06 (2414.63) 13.31 (338.04) 16.3%
Sidewall Height inches (mm) 5.51 (140) 8.13 (206.5) 2.62 (66.5) 47.5%
Revolutions per mile (km) 774.99 (481.56) 666.5 (414.14) -108.49 (-67.42) -14%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.26 mph (37.43 km/h)
25 mph (40.23 km/h)29.07 mph (46.78 km/h)
30 mph (48.28 km/h)34.88 mph (56.14 km/h)
35 mph (56.33 km/h)40.7 mph (65.5 km/h)
40 mph (64.37 km/h)46.51 mph (74.85 km/h)
45 mph (72.42 km/h)52.33 mph (84.21 km/h)
50 mph (80.47 km/h)58.14 mph (93.57 km/h)
55 mph (88.51 km/h)63.95 mph (102.92 km/h)
60 mph (96.56 km/h)69.77 mph (112.28 km/h)
65 mph (104.61 km/h)75.58 mph (121.64 km/h)
70 mph (112.65 km/h)81.39 mph (130.99 km/h)
75 mph (120.7 km/h)87.21 mph (140.35 km/h)
80 mph (128.75 km/h)93.02 mph (149.71 km/h)
85 mph (136.79 km/h)98.84 mph (159.06 km/h)
90 mph (144.84 km/h)104.65 mph (168.42 km/h)
95 mph (152.89 km/h)110.46 mph (177.78 km/h)
100 mph (160.93 km/h)116.28 mph (187.13 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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