Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/80r17 vs 200/80r17 Tire Comparison Side By Side
  130/80-17 200/80-17 Difference
Diameter inches (mm) 25.19 (639.8) 29.6 (751.8) 4.41 (112) 17.5%
Width inches (mm) 5.12 (130) 7.87 (200) 2.76 (70) 53.8%
Circum. inches (mm) 79.13 (2009.99) 92.99 (2361.85) 13.85 (351.86) 17.5%
Sidewall Height inches (mm) 4.09 (104) 6.3 (160) 2.2 (56) 53.8%
Revolutions per mile (km) 800.67 (497.51) 681.39 (423.4) -119.28 (-74.12) -14.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)23.5 mph (37.82 km/h)
25 mph (40.23 km/h)29.38 mph (47.28 km/h)
30 mph (48.28 km/h)35.25 mph (56.73 km/h)
35 mph (56.33 km/h)41.13 mph (66.19 km/h)
40 mph (64.37 km/h)47 mph (75.64 km/h)
45 mph (72.42 km/h)52.88 mph (85.1 km/h)
50 mph (80.47 km/h)58.75 mph (94.55 km/h)
55 mph (88.51 km/h)64.63 mph (104.01 km/h)
60 mph (96.56 km/h)70.5 mph (113.46 km/h)
65 mph (104.61 km/h)76.38 mph (122.92 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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