Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
130/60r13 vs 130/70r12 Tire Comparison Side By Side
  130/60-13 130/70-12 Difference
Diameter inches (mm) 19.14 (486.2) 19.17 (486.8) 0.02 (0.6) 0.1%
Width inches (mm) 5.12 (130) 5.12 (130) 0 (0) 0%
Circum. inches (mm) 60.14 (1527.44) 60.21 (1529.33) 0.07 (1.88) 0.1%
Sidewall Height inches (mm) 3.07 (78) 3.58 (91) 0.51 (13) 16.7%
Revolutions per mile (km) 1053.62 (654.69) 1052.32 (653.88) -1.3 (-0.81) -0.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.02 mph (32.23 km/h)
25 mph (40.23 km/h)25.03 mph (40.28 km/h)
30 mph (48.28 km/h)30.04 mph (48.34 km/h)
35 mph (56.33 km/h)35.04 mph (56.4 km/h)
40 mph (64.37 km/h)40.05 mph (64.45 km/h)
45 mph (72.42 km/h)45.06 mph (72.51 km/h)
50 mph (80.47 km/h)50.06 mph (80.57 km/h)
55 mph (88.51 km/h)55.07 mph (88.62 km/h)
60 mph (96.56 km/h)60.07 mph (96.68 km/h)
65 mph (104.61 km/h)65.08 mph (104.74 km/h)
70 mph (112.65 km/h)70.09 mph (112.79 km/h)
75 mph (120.7 km/h)75.09 mph (120.85 km/h)
80 mph (128.75 km/h)80.1 mph (128.91 km/h)
85 mph (136.79 km/h)85.1 mph (136.96 km/h)
90 mph (144.84 km/h)90.11 mph (145.02 km/h)
95 mph (152.89 km/h)95.12 mph (153.08 km/h)
100 mph (160.93 km/h)100.12 mph (161.13 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 130/60-R13 Comparisons

To Top