Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/45r19 vs 285/35r24 Tire Comparison Side By Side
  295/45-19 285/35-24 Difference
Diameter inches (mm) 29.45 (748.1) 31.85 (809.1) 2.4 (61) 8.2%
Width inches (mm) 11.61 (295) 11.22 (285) -0.39 (-10) -3.4%
Circum. inches (mm) 92.53 (2350.23) 100.07 (2541.86) 7.54 (191.64) 8.2%
Sidewall Height inches (mm) 5.23 (132.75) 3.93 (99.75) -1.3 (-33) -24.9%
Revolutions per mile (km) 684.76 (425.49) 633.14 (393.41) -51.63 (-32.08) -7.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.63 mph (34.81 km/h)
25 mph (40.23 km/h)27.04 mph (43.51 km/h)
30 mph (48.28 km/h)32.45 mph (52.22 km/h)
35 mph (56.33 km/h)37.85 mph (60.92 km/h)
40 mph (64.37 km/h)43.26 mph (69.62 km/h)
45 mph (72.42 km/h)48.67 mph (78.33 km/h)
50 mph (80.47 km/h)54.08 mph (87.03 km/h)
55 mph (88.51 km/h)59.48 mph (95.73 km/h)
60 mph (96.56 km/h)64.89 mph (104.43 km/h)
65 mph (104.61 km/h)70.3 mph (113.14 km/h)
70 mph (112.65 km/h)75.71 mph (121.84 km/h)
75 mph (120.7 km/h)81.12 mph (130.54 km/h)
80 mph (128.75 km/h)86.52 mph (139.25 km/h)
85 mph (136.79 km/h)91.93 mph (147.95 km/h)
90 mph (144.84 km/h)97.34 mph (156.65 km/h)
95 mph (152.89 km/h)102.75 mph (165.35 km/h)
100 mph (160.93 km/h)108.15 mph (174.06 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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