Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
275/40r20 vs 295/25r22 Tire Comparison Side By Side
  275/40-20 295/25-22 Difference
Diameter inches (mm) 28.66 (728) 27.81 (706.3) -0.85 (-21.7) -3%
Width inches (mm) 10.83 (275) 11.61 (295) 0.79 (20) 7.3%
Circum. inches (mm) 90.04 (2287.08) 87.36 (2218.91) -2.68 (-68.17) -3%
Sidewall Height inches (mm) 4.33 (110) 2.9 (73.75) -1.43 (-36.25) -33%
Revolutions per mile (km) 703.67 (437.24) 725.29 (450.67) 21.62 (13.43) 3.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.4 mph (31.23 km/h)
25 mph (40.23 km/h)24.25 mph (39.03 km/h)
30 mph (48.28 km/h)29.11 mph (46.84 km/h)
35 mph (56.33 km/h)33.96 mph (54.65 km/h)
40 mph (64.37 km/h)38.81 mph (62.46 km/h)
45 mph (72.42 km/h)43.66 mph (70.26 km/h)
50 mph (80.47 km/h)48.51 mph (78.07 km/h)
55 mph (88.51 km/h)53.36 mph (85.88 km/h)
60 mph (96.56 km/h)58.21 mph (93.68 km/h)
65 mph (104.61 km/h)63.06 mph (101.49 km/h)
70 mph (112.65 km/h)67.91 mph (109.3 km/h)
75 mph (120.7 km/h)72.76 mph (117.1 km/h)
80 mph (128.75 km/h)77.62 mph (124.91 km/h)
85 mph (136.79 km/h)82.47 mph (132.72 km/h)
90 mph (144.84 km/h)87.32 mph (140.52 km/h)
95 mph (152.89 km/h)92.17 mph (148.33 km/h)
100 mph (160.93 km/h)97.02 mph (156.14 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
18462144230924112521260026862788293030713228335435813833402941554226448548465631
Better Fuel Economy Factory Ratios Increased Power

Most Popular 275/40-R20 Comparisons

To Top