Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
270/60r17 vs 265/60r17 Tire Comparison Side By Side
  270/60-17 265/60-17 Difference
Diameter inches (mm) 29.76 (755.8) 29.52 (749.8) -0.24 (-6) -0.8%
Width inches (mm) 10.63 (270) 10.43 (265) -0.2 (-5) -1.9%
Circum. inches (mm) 93.48 (2374.42) 92.74 (2355.57) -0.74 (-18.85) -0.8%
Sidewall Height inches (mm) 6.38 (162) 6.26 (159) -0.12 (-3) -1.9%
Revolutions per mile (km) 677.79 (421.16) 683.21 (424.53) 5.42 (3.37) 0.8%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.84 mph (31.93 km/h)
25 mph (40.23 km/h)24.8 mph (39.91 km/h)
30 mph (48.28 km/h)29.76 mph (47.9 km/h)
35 mph (56.33 km/h)34.72 mph (55.88 km/h)
40 mph (64.37 km/h)39.68 mph (63.86 km/h)
45 mph (72.42 km/h)44.64 mph (71.85 km/h)
50 mph (80.47 km/h)49.6 mph (79.83 km/h)
55 mph (88.51 km/h)54.56 mph (87.81 km/h)
60 mph (96.56 km/h)59.52 mph (95.79 km/h)
65 mph (104.61 km/h)64.48 mph (103.78 km/h)
70 mph (112.65 km/h)69.44 mph (111.76 km/h)
75 mph (120.7 km/h)74.4 mph (119.74 km/h)
80 mph (128.75 km/h)79.36 mph (127.73 km/h)
85 mph (136.79 km/h)84.33 mph (135.71 km/h)
90 mph (144.84 km/h)89.29 mph (143.69 km/h)
95 mph (152.89 km/h)94.25 mph (151.67 km/h)
100 mph (160.93 km/h)99.21 mph (159.66 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
17392020217522712375244925302626276028933041315933743610379539143980422545655305
Better Fuel Economy Factory Ratios Increased Power

Most Popular 270/60-R17 Comparisons

To Top