Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
100/80r10 vs 130/60r10 Tire Comparison Side By Side
  100/80-10 130/60-10 Difference
Diameter inches (mm) 16.3 (414) 16.14 (410) -0.16 (-4) -1%
Width inches (mm) 3.94 (100) 5.12 (130) 1.18 (30) 30%
Circum. inches (mm) 51.21 (1300.62) 50.71 (1288.05) -0.49 (-12.57) -1%
Sidewall Height inches (mm) 3.15 (80) 3.07 (78) -0.08 (-2) -2.5%
Revolutions per mile (km) 1237.37 (768.86) 1249.44 (776.36) 12.07 (7.5) 1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.81 mph (31.88 km/h)
25 mph (40.23 km/h)24.76 mph (39.84 km/h)
30 mph (48.28 km/h)29.71 mph (47.81 km/h)
35 mph (56.33 km/h)34.66 mph (55.78 km/h)
40 mph (64.37 km/h)39.61 mph (63.75 km/h)
45 mph (72.42 km/h)44.57 mph (71.72 km/h)
50 mph (80.47 km/h)49.52 mph (79.69 km/h)
55 mph (88.51 km/h)54.47 mph (87.66 km/h)
60 mph (96.56 km/h)59.42 mph (95.63 km/h)
65 mph (104.61 km/h)64.37 mph (103.6 km/h)
70 mph (112.65 km/h)69.32 mph (111.57 km/h)
75 mph (120.7 km/h)74.28 mph (119.53 km/h)
80 mph (128.75 km/h)79.23 mph (127.5 km/h)
85 mph (136.79 km/h)84.18 mph (135.47 km/h)
90 mph (144.84 km/h)89.13 mph (143.44 km/h)
95 mph (152.89 km/h)94.08 mph (151.41 km/h)
100 mph (160.93 km/h)99.03 mph (159.38 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 100/80-R10 Comparisons

To Top