Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
225/90r16 vs 265/70r16 Tire Comparison Side By Side
  225/90-16 265/70-16 Difference
Diameter inches (mm) 31.94 (811.4) 30.61 (777.4) -1.34 (-34) -4.2%
Width inches (mm) 8.86 (225) 10.43 (265) 1.57 (40) 17.8%
Circum. inches (mm) 100.36 (2549.09) 96.15 (2442.27) -4.21 (-106.81) -4.2%
Sidewall Height inches (mm) 7.97 (202.5) 7.3 (185.5) -0.67 (-17) -8.4%
Revolutions per mile (km) 631.34 (392.3) 658.95 (409.45) 27.61 (17.16) 4.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.16 mph (30.84 km/h)
25 mph (40.23 km/h)23.95 mph (38.55 km/h)
30 mph (48.28 km/h)28.74 mph (46.26 km/h)
35 mph (56.33 km/h)33.53 mph (53.97 km/h)
40 mph (64.37 km/h)38.32 mph (61.68 km/h)
45 mph (72.42 km/h)43.11 mph (69.39 km/h)
50 mph (80.47 km/h)47.9 mph (77.1 km/h)
55 mph (88.51 km/h)52.7 mph (84.81 km/h)
60 mph (96.56 km/h)57.49 mph (92.51 km/h)
65 mph (104.61 km/h)62.28 mph (100.22 km/h)
70 mph (112.65 km/h)67.07 mph (107.93 km/h)
75 mph (120.7 km/h)71.86 mph (115.64 km/h)
80 mph (128.75 km/h)76.65 mph (123.35 km/h)
85 mph (136.79 km/h)81.44 mph (131.06 km/h)
90 mph (144.84 km/h)86.23 mph (138.77 km/h)
95 mph (152.89 km/h)91.02 mph (146.48 km/h)
100 mph (160.93 km/h)95.81 mph (154.19 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
16771948209821912291236224402533266227902933304732543482366137753839407544035116
Better Fuel Economy Factory Ratios Increased Power

Most Popular 225/90-R16 Comparisons

To Top