Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
265/70r19 vs 295/70r16 Tire Comparison Side By Side
  265/70-19 295/70-16 Difference
Diameter inches (mm) 33.61 (853.6) 32.26 (819.4) -1.35 (-34.2) -4%
Width inches (mm) 10.43 (265) 11.61 (295) 1.18 (30) 11.3%
Circum. inches (mm) 105.58 (2681.66) 101.35 (2574.22) -4.23 (-107.44) -4%
Sidewall Height inches (mm) 7.3 (185.5) 8.13 (206.5) 0.83 (21) 11.3%
Revolutions per mile (km) 600.13 (372.9) 625.18 (388.47) 25.05 (15.56) 4.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.2 mph (30.9 km/h)
25 mph (40.23 km/h)24 mph (38.62 km/h)
30 mph (48.28 km/h)28.8 mph (46.35 km/h)
35 mph (56.33 km/h)33.6 mph (54.07 km/h)
40 mph (64.37 km/h)38.4 mph (61.79 km/h)
45 mph (72.42 km/h)43.2 mph (69.52 km/h)
50 mph (80.47 km/h)48 mph (77.24 km/h)
55 mph (88.51 km/h)52.8 mph (84.97 km/h)
60 mph (96.56 km/h)57.6 mph (92.69 km/h)
65 mph (104.61 km/h)62.4 mph (100.42 km/h)
70 mph (112.65 km/h)67.2 mph (108.14 km/h)
75 mph (120.7 km/h)72 mph (115.87 km/h)
80 mph (128.75 km/h)76.79 mph (123.59 km/h)
85 mph (136.79 km/h)81.59 mph (131.31 km/h)
90 mph (144.84 km/h)86.39 mph (139.04 km/h)
95 mph (152.89 km/h)91.19 mph (146.76 km/h)
100 mph (160.93 km/h)95.99 mph (154.49 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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