Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
205/75r16 vs 225/75r16 Tire Comparison Side By Side
  205/75-16 225/75-16 Difference
Diameter inches (mm) 28.11 (713.9) 29.29 (743.9) 1.18 (30) 4.2%
Width inches (mm) 8.07 (205) 8.86 (225) 0.79 (20) 9.8%
Circum. inches (mm) 88.3 (2242.78) 92.01 (2337.03) 3.71 (94.25) 4.2%
Sidewall Height inches (mm) 6.05 (153.75) 6.64 (168.75) 0.59 (15) 9.8%
Revolutions per mile (km) 717.57 (445.87) 688.63 (427.89) -28.94 (-17.98) -4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.84 mph (33.54 km/h)
25 mph (40.23 km/h)26.05 mph (41.92 km/h)
30 mph (48.28 km/h)31.26 mph (50.31 km/h)
35 mph (56.33 km/h)36.47 mph (58.69 km/h)
40 mph (64.37 km/h)41.68 mph (67.08 km/h)
45 mph (72.42 km/h)46.89 mph (75.46 km/h)
50 mph (80.47 km/h)52.1 mph (83.85 km/h)
55 mph (88.51 km/h)57.31 mph (92.23 km/h)
60 mph (96.56 km/h)62.52 mph (100.62 km/h)
65 mph (104.61 km/h)67.73 mph (109 km/h)
70 mph (112.65 km/h)72.94 mph (117.39 km/h)
75 mph (120.7 km/h)78.15 mph (125.77 km/h)
80 mph (128.75 km/h)83.36 mph (134.16 km/h)
85 mph (136.79 km/h)88.57 mph (142.54 km/h)
90 mph (144.84 km/h)93.78 mph (150.93 km/h)
95 mph (152.89 km/h)98.99 mph (159.31 km/h)
100 mph (160.93 km/h)104.2 mph (167.7 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
17522036219222892394246825502647278229163065318434003639382639454012425846015347
Better Fuel Economy Factory Ratios Increased Power

Most Popular 205/75-R16 Comparisons

To Top