Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/40r19 vs 295/35r19 Tire Comparison Side By Side
  265/40-19 295/35-19 Difference
Diameter inches (mm) 27.35 (694.6) 27.13 (689.1) -0.22 (-5.5) -0.8%
Width inches (mm) 10.43 (265) 11.61 (295) 1.18 (30) 11.3%
Circum. inches (mm) 85.91 (2182.15) 85.23 (2164.87) -0.68 (-17.28) -0.8%
Sidewall Height inches (mm) 4.17 (106) 4.06 (103.25) -0.11 (-2.75) -2.6%
Revolutions per mile (km) 737.5 (458.26) 743.39 (461.92) 5.89 (3.66) 0.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.84 mph (31.93 km/h)
25 mph (40.23 km/h)24.8 mph (39.92 km/h)
30 mph (48.28 km/h)29.76 mph (47.9 km/h)
35 mph (56.33 km/h)34.72 mph (55.88 km/h)
40 mph (64.37 km/h)39.68 mph (63.86 km/h)
45 mph (72.42 km/h)44.64 mph (71.85 km/h)
50 mph (80.47 km/h)49.6 mph (79.83 km/h)
55 mph (88.51 km/h)54.56 mph (87.81 km/h)
60 mph (96.56 km/h)59.52 mph (95.8 km/h)
65 mph (104.61 km/h)64.49 mph (103.78 km/h)
70 mph (112.65 km/h)69.45 mph (111.76 km/h)
75 mph (120.7 km/h)74.41 mph (119.75 km/h)
80 mph (128.75 km/h)79.37 mph (127.73 km/h)
85 mph (136.79 km/h)84.33 mph (135.71 km/h)
90 mph (144.84 km/h)89.29 mph (143.69 km/h)
95 mph (152.89 km/h)94.25 mph (151.68 km/h)
100 mph (160.93 km/h)99.21 mph (159.66 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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