Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
195/70r16 vs 195/80r16 Tire Comparison Side By Side
  195/70-16 195/80-16 Difference
Diameter inches (mm) 26.75 (679.4) 28.28 (718.4) 1.54 (39) 5.7%
Width inches (mm) 7.68 (195) 7.68 (195) 0 (0) 0%
Circum. inches (mm) 84.03 (2134.4) 88.86 (2256.92) 4.82 (122.52) 5.7%
Sidewall Height inches (mm) 5.37 (136.5) 6.14 (156) 0.77 (19.5) 14.3%
Revolutions per mile (km) 754 (468.52) 713.07 (443.08) -40.93 (-25.43) -5.4%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.15 mph (34.03 km/h)
25 mph (40.23 km/h)26.44 mph (42.54 km/h)
30 mph (48.28 km/h)31.72 mph (51.05 km/h)
35 mph (56.33 km/h)37.01 mph (59.56 km/h)
40 mph (64.37 km/h)42.3 mph (68.07 km/h)
45 mph (72.42 km/h)47.58 mph (76.58 km/h)
50 mph (80.47 km/h)52.87 mph (85.09 km/h)
55 mph (88.51 km/h)58.16 mph (93.6 km/h)
60 mph (96.56 km/h)63.44 mph (102.1 km/h)
65 mph (104.61 km/h)68.73 mph (110.61 km/h)
70 mph (112.65 km/h)74.02 mph (119.12 km/h)
75 mph (120.7 km/h)79.31 mph (127.63 km/h)
80 mph (128.75 km/h)84.59 mph (136.14 km/h)
85 mph (136.79 km/h)89.88 mph (144.65 km/h)
90 mph (144.84 km/h)95.17 mph (153.16 km/h)
95 mph (152.89 km/h)100.45 mph (161.66 km/h)
100 mph (160.93 km/h)105.74 mph (170.17 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
18152108227023712479255626412741288030193174329735213768396140854154440947645537
Better Fuel Economy Factory Ratios Increased Power

Most Popular 195/70-R16 Comparisons

To Top