Tire Size Calculator

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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/40r24 vs 295/45r24 Tire Comparison Side By Side
  295/40-24 295/45-24 Difference
Diameter inches (mm) 33.29 (845.6) 34.45 (875.1) 1.16 (29.5) 3.5%
Width inches (mm) 11.61 (295) 11.61 (295) 0 (0) 0%
Circum. inches (mm) 104.59 (2656.53) 108.24 (2749.21) 3.65 (92.68) 3.5%
Sidewall Height inches (mm) 4.65 (118) 5.23 (132.75) 0.58 (14.75) 12.5%
Revolutions per mile (km) 605.81 (376.43) 585.38 (363.74) -20.42 (-12.69) -3.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.7 mph (33.31 km/h)
25 mph (40.23 km/h)25.87 mph (41.64 km/h)
30 mph (48.28 km/h)31.05 mph (49.96 km/h)
35 mph (56.33 km/h)36.22 mph (58.29 km/h)
40 mph (64.37 km/h)41.4 mph (66.62 km/h)
45 mph (72.42 km/h)46.57 mph (74.95 km/h)
50 mph (80.47 km/h)51.74 mph (83.27 km/h)
55 mph (88.51 km/h)56.92 mph (91.6 km/h)
60 mph (96.56 km/h)62.09 mph (99.93 km/h)
65 mph (104.61 km/h)67.27 mph (108.26 km/h)
70 mph (112.65 km/h)72.44 mph (116.58 km/h)
75 mph (120.7 km/h)77.62 mph (124.91 km/h)
80 mph (128.75 km/h)82.79 mph (133.24 km/h)
85 mph (136.79 km/h)87.97 mph (141.57 km/h)
90 mph (144.84 km/h)93.14 mph (149.89 km/h)
95 mph (152.89 km/h)98.31 mph (158.22 km/h)
100 mph (160.93 km/h)103.49 mph (166.55 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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