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 305/40r24 Tire Comparison Side By Side
  295/40-24 305/40-24 Difference
Diameter inches (mm) 33.29 (845.6) 33.61 (853.6) 0.31 (8) 0.9%
Width inches (mm) 11.61 (295) 12.01 (305) 0.39 (10) 3.4%
Circum. inches (mm) 104.59 (2656.53) 105.58 (2681.66) 0.99 (25.13) 0.9%
Sidewall Height inches (mm) 4.65 (118) 4.8 (122) 0.16 (4) 3.4%
Revolutions per mile (km) 605.81 (376.43) 600.13 (372.9) -5.68 (-3.53) -0.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.19 mph (32.49 km/h)
25 mph (40.23 km/h)25.24 mph (40.61 km/h)
30 mph (48.28 km/h)30.28 mph (48.74 km/h)
35 mph (56.33 km/h)35.33 mph (56.86 km/h)
40 mph (64.37 km/h)40.38 mph (64.98 km/h)
45 mph (72.42 km/h)45.43 mph (73.11 km/h)
50 mph (80.47 km/h)50.47 mph (81.23 km/h)
55 mph (88.51 km/h)55.52 mph (89.35 km/h)
60 mph (96.56 km/h)60.57 mph (97.47 km/h)
65 mph (104.61 km/h)65.61 mph (105.6 km/h)
70 mph (112.65 km/h)70.66 mph (113.72 km/h)
75 mph (120.7 km/h)75.71 mph (121.84 km/h)
80 mph (128.75 km/h)80.76 mph (129.97 km/h)
85 mph (136.79 km/h)85.8 mph (138.09 km/h)
90 mph (144.84 km/h)90.85 mph (146.21 km/h)
95 mph (152.89 km/h)95.9 mph (154.33 km/h)
100 mph (160.93 km/h)100.95 mph (162.46 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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