Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
245/50r14 vs 195/60r14 Tire Comparison Side By Side
  245/50-14 195/60-14 Difference
Diameter inches (mm) 23.65 (600.6) 23.21 (589.6) -0.43 (-11) -1.8%
Width inches (mm) 9.65 (245) 7.68 (195) -1.97 (-50) -20.4%
Circum. inches (mm) 74.29 (1886.84) 72.92 (1852.28) -1.36 (-34.56) -1.8%
Sidewall Height inches (mm) 4.82 (122.5) 4.61 (117) -0.22 (-5.5) -4.5%
Revolutions per mile (km) 852.93 (529.99) 868.84 (539.87) 15.91 (9.89) 1.9%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.63 mph (31.6 km/h)
25 mph (40.23 km/h)24.54 mph (39.5 km/h)
30 mph (48.28 km/h)29.45 mph (47.4 km/h)
35 mph (56.33 km/h)34.36 mph (55.3 km/h)
40 mph (64.37 km/h)39.27 mph (63.19 km/h)
45 mph (72.42 km/h)44.18 mph (71.09 km/h)
50 mph (80.47 km/h)49.08 mph (78.99 km/h)
55 mph (88.51 km/h)53.99 mph (86.89 km/h)
60 mph (96.56 km/h)58.9 mph (94.79 km/h)
65 mph (104.61 km/h)63.81 mph (102.69 km/h)
70 mph (112.65 km/h)68.72 mph (110.59 km/h)
75 mph (120.7 km/h)73.63 mph (118.49 km/h)
80 mph (128.75 km/h)78.53 mph (126.39 km/h)
85 mph (136.79 km/h)83.44 mph (134.29 km/h)
90 mph (144.84 km/h)88.35 mph (142.19 km/h)
95 mph (152.89 km/h)93.26 mph (150.09 km/h)
100 mph (160.93 km/h)98.17 mph (157.99 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
22112569276628883020311432183340350936793867401842904591482749775062537258056746
Better Fuel Economy Factory Ratios Increased Power

Most Popular 245/50-R14 Comparisons

To Top