Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
275/40r19 vs 295/35r19 Tire Comparison Side By Side
  275/40-19 295/35-19 Difference
Diameter inches (mm) 27.66 (702.6) 27.13 (689.1) -0.53 (-13.5) -1.9%
Width inches (mm) 10.83 (275) 11.61 (295) 0.79 (20) 7.3%
Circum. inches (mm) 86.9 (2207.28) 85.23 (2164.87) -1.67 (-42.41) -1.9%
Sidewall Height inches (mm) 4.33 (110) 4.06 (103.25) -0.27 (-6.75) -6.1%
Revolutions per mile (km) 729.11 (453.04) 743.39 (461.92) 14.28 (8.88) 2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.62 mph (31.57 km/h)
25 mph (40.23 km/h)24.52 mph (39.46 km/h)
30 mph (48.28 km/h)29.42 mph (47.35 km/h)
35 mph (56.33 km/h)34.33 mph (55.24 km/h)
40 mph (64.37 km/h)39.23 mph (63.14 km/h)
45 mph (72.42 km/h)44.14 mph (71.03 km/h)
50 mph (80.47 km/h)49.04 mph (78.92 km/h)
55 mph (88.51 km/h)53.94 mph (86.81 km/h)
60 mph (96.56 km/h)58.85 mph (94.71 km/h)
65 mph (104.61 km/h)63.75 mph (102.6 km/h)
70 mph (112.65 km/h)68.65 mph (110.49 km/h)
75 mph (120.7 km/h)73.56 mph (118.38 km/h)
80 mph (128.75 km/h)78.46 mph (126.27 km/h)
85 mph (136.79 km/h)83.37 mph (134.17 km/h)
90 mph (144.84 km/h)88.27 mph (142.06 km/h)
95 mph (152.89 km/h)93.17 mph (149.95 km/h)
100 mph (160.93 km/h)98.08 mph (157.84 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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