Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/50r13 vs 175/60r13 Tire Comparison Side By Side
  195/50-13 175/60-13 Difference
Diameter inches (mm) 20.68 (525.2) 21.27 (540.2) 0.59 (15) 2.9%
Width inches (mm) 7.68 (195) 6.89 (175) -0.79 (-20) -10.3%
Circum. inches (mm) 64.96 (1649.96) 66.81 (1697.09) 1.86 (47.12) 2.9%
Sidewall Height inches (mm) 3.84 (97.5) 4.13 (105) 0.3 (7.5) 7.7%
Revolutions per mile (km) 975.38 (606.07) 948.3 (589.24) -27.08 (-16.83) -2.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.57 mph (33.11 km/h)
25 mph (40.23 km/h)25.71 mph (41.38 km/h)
30 mph (48.28 km/h)30.86 mph (49.66 km/h)
35 mph (56.33 km/h)36 mph (57.94 km/h)
40 mph (64.37 km/h)41.14 mph (66.21 km/h)
45 mph (72.42 km/h)46.29 mph (74.49 km/h)
50 mph (80.47 km/h)51.43 mph (82.77 km/h)
55 mph (88.51 km/h)56.57 mph (91.04 km/h)
60 mph (96.56 km/h)61.71 mph (99.32 km/h)
65 mph (104.61 km/h)66.86 mph (107.6 km/h)
70 mph (112.65 km/h)72 mph (115.87 km/h)
75 mph (120.7 km/h)77.14 mph (124.15 km/h)
80 mph (128.75 km/h)82.28 mph (132.42 km/h)
85 mph (136.79 km/h)87.43 mph (140.7 km/h)
90 mph (144.84 km/h)92.57 mph (148.98 km/h)
95 mph (152.89 km/h)97.71 mph (157.25 km/h)
100 mph (160.93 km/h)102.86 mph (165.53 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
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Better Fuel Economy Factory Ratios Increased Power

Most Popular 195/50-R13 Comparisons

To Top