Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
295/65r18 vs 275/60r20 Tire Comparison Side By Side
  295/65-18 275/60-20 Difference
Diameter inches (mm) 33.1 (840.7) 32.99 (838) -0.11 (-2.7) -0.3%
Width inches (mm) 11.61 (295) 10.83 (275) -0.79 (-20) -6.8%
Circum. inches (mm) 103.98 (2641.14) 103.65 (2632.65) -0.33 (-8.48) -0.3%
Sidewall Height inches (mm) 7.55 (191.75) 6.5 (165) -1.05 (-26.75) -14%
Revolutions per mile (km) 609.34 (378.62) 611.3 (379.84) 1.96 (1.22) 0.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.94 mph (32.08 km/h)
25 mph (40.23 km/h)24.92 mph (40.1 km/h)
30 mph (48.28 km/h)29.9 mph (48.13 km/h)
35 mph (56.33 km/h)34.89 mph (56.15 km/h)
40 mph (64.37 km/h)39.87 mph (64.17 km/h)
45 mph (72.42 km/h)44.86 mph (72.19 km/h)
50 mph (80.47 km/h)49.84 mph (80.21 km/h)
55 mph (88.51 km/h)54.82 mph (88.23 km/h)
60 mph (96.56 km/h)59.81 mph (96.25 km/h)
65 mph (104.61 km/h)64.79 mph (104.27 km/h)
70 mph (112.65 km/h)69.78 mph (112.29 km/h)
75 mph (120.7 km/h)74.76 mph (120.31 km/h)
80 mph (128.75 km/h)79.74 mph (128.33 km/h)
85 mph (136.79 km/h)84.73 mph (136.36 km/h)
90 mph (144.84 km/h)89.71 mph (144.38 km/h)
95 mph (152.89 km/h)94.69 mph (152.4 km/h)
100 mph (160.93 km/h)99.68 mph (160.42 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
15561807194620322125219122642350246925882721282730193230339635023561378040844746
Better Fuel Economy Factory Ratios Increased Power

Most Popular 295/65-R18 Comparisons

To Top