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 200/70r17 Tire Comparison Side By Side
  200/70-15 200/70-17 Difference
Diameter inches (mm) 26.02 (661) 28.02 (711.8) 2 (50.8) 7.7%
Width inches (mm) 7.87 (200) 7.87 (200) 0 (0) 0%
Circum. inches (mm) 81.76 (2076.59) 88.04 (2236.19) 6.28 (159.59) 7.7%
Sidewall Height inches (mm) 5.51 (140) 5.51 (140) 0 (0) 0%
Revolutions per mile (km) 774.99 (481.56) 719.68 (447.19) -55.31 (-34.37) -7.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)21.54 mph (34.66 km/h)
25 mph (40.23 km/h)26.92 mph (43.33 km/h)
30 mph (48.28 km/h)32.31 mph (51.99 km/h)
35 mph (56.33 km/h)37.69 mph (60.66 km/h)
40 mph (64.37 km/h)43.07 mph (69.32 km/h)
45 mph (72.42 km/h)48.46 mph (77.99 km/h)
50 mph (80.47 km/h)53.84 mph (86.65 km/h)
55 mph (88.51 km/h)59.23 mph (95.32 km/h)
60 mph (96.56 km/h)64.61 mph (103.98 km/h)
65 mph (104.61 km/h)70 mph (112.65 km/h)
70 mph (112.65 km/h)75.38 mph (121.31 km/h)
75 mph (120.7 km/h)80.76 mph (129.98 km/h)
80 mph (128.75 km/h)86.15 mph (138.64 km/h)
85 mph (136.79 km/h)91.53 mph (147.31 km/h)
90 mph (144.84 km/h)96.92 mph (155.97 km/h)
95 mph (152.89 km/h)102.3 mph (164.64 km/h)
100 mph (160.93 km/h)107.69 mph (173.3 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
18312128229123932502258026652767290730473203332835543803399841234193445048095588
Better Fuel Economy Factory Ratios Increased Power

Most Popular 200/70-R15 Comparisons

To Top