Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
285/40r24 vs 285/45r22 Tire Comparison Side By Side
  285/40-24 285/45-22 Difference
Diameter inches (mm) 32.98 (837.6) 32.1 (815.3) -0.88 (-22.3) -2.7%
Width inches (mm) 11.22 (285) 11.22 (285) 0 (0) 0%
Circum. inches (mm) 103.6 (2631.4) 100.84 (2561.34) -2.76 (-70.06) -2.7%
Sidewall Height inches (mm) 4.49 (114) 5.05 (128.25) 0.56 (14.25) 12.5%
Revolutions per mile (km) 611.59 (380.03) 628.32 (390.42) 16.73 (10.39) 2.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.47 mph (31.33 km/h)
25 mph (40.23 km/h)24.33 mph (39.16 km/h)
30 mph (48.28 km/h)29.2 mph (47 km/h)
35 mph (56.33 km/h)34.07 mph (54.83 km/h)
40 mph (64.37 km/h)38.94 mph (62.66 km/h)
45 mph (72.42 km/h)43.8 mph (70.49 km/h)
50 mph (80.47 km/h)48.67 mph (78.33 km/h)
55 mph (88.51 km/h)53.54 mph (86.16 km/h)
60 mph (96.56 km/h)58.4 mph (93.99 km/h)
65 mph (104.61 km/h)63.27 mph (101.82 km/h)
70 mph (112.65 km/h)68.14 mph (109.66 km/h)
75 mph (120.7 km/h)73 mph (117.49 km/h)
80 mph (128.75 km/h)77.87 mph (125.32 km/h)
85 mph (136.79 km/h)82.74 mph (133.15 km/h)
90 mph (144.84 km/h)87.6 mph (140.99 km/h)
95 mph (152.89 km/h)92.47 mph (148.82 km/h)
100 mph (160.93 km/h)97.34 mph (156.65 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
15991858200020892184225223272415253826602796290531033320349035993661388541984879
Better Fuel Economy Factory Ratios Increased Power

Most Popular 285/40-R24 Comparisons

To Top