Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
145/90r16 vs 140/95r16 Tire Comparison Side By Side
  145/90-16 140/95-16 Difference
Diameter inches (mm) 26.28 (667.4) 26.47 (672.4) 0.2 (5) 0.7%
Width inches (mm) 5.71 (145) 5.51 (140) -0.2 (-5) -3.4%
Circum. inches (mm) 82.55 (2096.7) 83.17 (2112.41) 0.62 (15.71) 0.7%
Sidewall Height inches (mm) 5.14 (130.5) 5.24 (133) 0.1 (2.5) 1.9%
Revolutions per mile (km) 767.56 (476.94) 761.85 (473.39) -5.71 (-3.55) -0.7%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.15 mph (32.43 km/h)
25 mph (40.23 km/h)25.19 mph (40.54 km/h)
30 mph (48.28 km/h)30.22 mph (48.64 km/h)
35 mph (56.33 km/h)35.26 mph (56.75 km/h)
40 mph (64.37 km/h)40.3 mph (64.86 km/h)
45 mph (72.42 km/h)45.34 mph (72.96 km/h)
50 mph (80.47 km/h)50.37 mph (81.07 km/h)
55 mph (88.51 km/h)55.41 mph (89.18 km/h)
60 mph (96.56 km/h)60.45 mph (97.28 km/h)
65 mph (104.61 km/h)65.49 mph (105.39 km/h)
70 mph (112.65 km/h)70.52 mph (113.5 km/h)
75 mph (120.7 km/h)75.56 mph (121.61 km/h)
80 mph (128.75 km/h)80.6 mph (129.71 km/h)
85 mph (136.79 km/h)85.64 mph (137.82 km/h)
90 mph (144.84 km/h)90.67 mph (145.93 km/h)
95 mph (152.89 km/h)95.71 mph (154.03 km/h)
100 mph (160.93 km/h)100.75 mph (162.14 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
19392252242625332648273128222929307732263391352337624026423243644439471150905915
Better Fuel Economy Factory Ratios Increased Power

Most Popular 145/90-R16 Comparisons

To Top