Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
225/75r16 vs 265/70r16 Tire Comparison Side By Side
  225/75-16 265/70-16 Difference
Diameter inches (mm) 29.29 (743.9) 30.61 (777.4) 1.32 (33.5) 4.5%
Width inches (mm) 8.86 (225) 10.43 (265) 1.57 (40) 17.8%
Circum. inches (mm) 92.01 (2337.03) 96.15 (2442.27) 4.14 (105.24) 4.5%
Sidewall Height inches (mm) 6.64 (168.75) 7.3 (185.5) 0.66 (16.75) 9.9%
Revolutions per mile (km) 688.63 (427.89) 658.95 (409.45) -29.67 (-18.44) -4.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.9 mph (33.64 km/h)
25 mph (40.23 km/h)26.13 mph (42.05 km/h)
30 mph (48.28 km/h)31.35 mph (50.45 km/h)
35 mph (56.33 km/h)36.58 mph (58.86 km/h)
40 mph (64.37 km/h)41.8 mph (67.27 km/h)
45 mph (72.42 km/h)47.03 mph (75.68 km/h)
50 mph (80.47 km/h)52.25 mph (84.09 km/h)
55 mph (88.51 km/h)57.48 mph (92.5 km/h)
60 mph (96.56 km/h)62.7 mph (100.91 km/h)
65 mph (104.61 km/h)67.93 mph (109.32 km/h)
70 mph (112.65 km/h)73.15 mph (117.73 km/h)
75 mph (120.7 km/h)78.38 mph (126.14 km/h)
80 mph (128.75 km/h)83.6 mph (134.55 km/h)
85 mph (136.79 km/h)88.83 mph (142.95 km/h)
90 mph (144.84 km/h)94.05 mph (151.36 km/h)
95 mph (152.89 km/h)99.28 mph (159.77 km/h)
100 mph (160.93 km/h)104.5 mph (168.18 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 225/75-R16 Comparisons

To Top