Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
200/70r15 vs 195/65r15 Tire Comparison Side By Side
  200/70-15 195/65-15 Difference
Diameter inches (mm) 26.02 (661) 24.98 (634.5) -1.04 (-26.5) -4%
Width inches (mm) 7.87 (200) 7.68 (195) -0.2 (-5) -2.5%
Circum. inches (mm) 81.76 (2076.59) 78.48 (1993.34) -3.28 (-83.25) -4%
Sidewall Height inches (mm) 5.51 (140) 4.99 (126.75) -0.52 (-13.25) -9.5%
Revolutions per mile (km) 774.99 (481.56) 807.36 (501.67) 32.37 (20.11) 4.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.2 mph (30.9 km/h)
25 mph (40.23 km/h)24 mph (38.62 km/h)
30 mph (48.28 km/h)28.8 mph (46.34 km/h)
35 mph (56.33 km/h)33.6 mph (54.07 km/h)
40 mph (64.37 km/h)38.4 mph (61.79 km/h)
45 mph (72.42 km/h)43.2 mph (69.52 km/h)
50 mph (80.47 km/h)48 mph (77.24 km/h)
55 mph (88.51 km/h)52.8 mph (84.97 km/h)
60 mph (96.56 km/h)57.59 mph (92.69 km/h)
65 mph (104.61 km/h)62.39 mph (100.41 km/h)
70 mph (112.65 km/h)67.19 mph (108.14 km/h)
75 mph (120.7 km/h)71.99 mph (115.86 km/h)
80 mph (128.75 km/h)76.79 mph (123.59 km/h)
85 mph (136.79 km/h)81.59 mph (131.31 km/h)
90 mph (144.84 km/h)86.39 mph (139.03 km/h)
95 mph (152.89 km/h)91.19 mph (146.76 km/h)
100 mph (160.93 km/h)95.99 mph (154.48 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
20552387257026842806289429903104326134183593373339874267448546254704499253946269
Better Fuel Economy Factory Ratios Increased Power

Most Popular 200/70-R15 Comparisons

To Top