Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/40r14 vs 200/20r17 Tire Comparison Side By Side
  195/40-14 200/20-17 Difference
Diameter inches (mm) 20.14 (511.6) 20.15 (511.8) 0.01 (0.2) 0%
Width inches (mm) 7.68 (195) 7.87 (200) 0.2 (5) 2.6%
Circum. inches (mm) 63.28 (1607.24) 63.3 (1607.87) 0.02 (0.63) 0%
Sidewall Height inches (mm) 3.07 (78) 1.57 (40) -1.5 (-38) -48.7%
Revolutions per mile (km) 1001.31 (622.18) 1000.92 (621.94) -0.39 (-0.24) -0%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.01 mph (32.2 km/h)
25 mph (40.23 km/h)25.01 mph (40.25 km/h)
30 mph (48.28 km/h)30.01 mph (48.3 km/h)
35 mph (56.33 km/h)35.01 mph (56.35 km/h)
40 mph (64.37 km/h)40.02 mph (64.4 km/h)
45 mph (72.42 km/h)45.02 mph (72.45 km/h)
50 mph (80.47 km/h)50.02 mph (80.5 km/h)
55 mph (88.51 km/h)55.02 mph (88.55 km/h)
60 mph (96.56 km/h)60.02 mph (96.6 km/h)
65 mph (104.61 km/h)65.03 mph (104.65 km/h)
70 mph (112.65 km/h)70.03 mph (112.7 km/h)
75 mph (120.7 km/h)75.03 mph (120.75 km/h)
80 mph (128.75 km/h)80.03 mph (128.8 km/h)
85 mph (136.79 km/h)85.03 mph (136.85 km/h)
90 mph (144.84 km/h)90.04 mph (144.9 km/h)
95 mph (152.89 km/h)95.04 mph (152.95 km/h)
100 mph (160.93 km/h)100.04 mph (161 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 195/40-R14 Comparisons

To Top