Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
365/75r16 vs 355/70r16 Tire Comparison Side By Side
  365/75-16 355/70-16 Difference
Diameter inches (mm) 37.56 (953.9) 35.57 (903.4) -1.99 (-50.5) -5.3%
Width inches (mm) 14.37 (365) 13.98 (355) -0.39 (-10) -2.7%
Circum. inches (mm) 117.98 (2996.77) 111.74 (2838.11) -6.25 (-158.65) -5.3%
Sidewall Height inches (mm) 10.78 (273.75) 9.78 (248.5) -0.99 (-25.25) -9.2%
Revolutions per mile (km) 537.03 (333.69) 567.05 (352.35) 30.02 (18.65) 5.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.94 mph (30.48 km/h)
25 mph (40.23 km/h)23.68 mph (38.1 km/h)
30 mph (48.28 km/h)28.41 mph (45.72 km/h)
35 mph (56.33 km/h)33.15 mph (53.35 km/h)
40 mph (64.37 km/h)37.88 mph (60.97 km/h)
45 mph (72.42 km/h)42.62 mph (68.59 km/h)
50 mph (80.47 km/h)47.35 mph (76.21 km/h)
55 mph (88.51 km/h)52.09 mph (83.83 km/h)
60 mph (96.56 km/h)56.82 mph (91.45 km/h)
65 mph (104.61 km/h)61.56 mph (99.07 km/h)
70 mph (112.65 km/h)66.29 mph (106.69 km/h)
75 mph (120.7 km/h)71.03 mph (114.31 km/h)
80 mph (128.75 km/h)75.76 mph (121.93 km/h)
85 mph (136.79 km/h)80.5 mph (129.55 km/h)
90 mph (144.84 km/h)85.24 mph (137.17 km/h)
95 mph (152.89 km/h)89.97 mph (144.79 km/h)
100 mph (160.93 km/h)94.71 mph (152.41 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
14431676180518851971203321002180229024012524262228002997315032483304350637894403
Better Fuel Economy Factory Ratios Increased Power

Most Popular 365/75-R16 Comparisons

To Top