Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/70r12 vs 130/70r10 Tire Comparison Side By Side
  110/70-12 130/70-10 Difference
Diameter inches (mm) 18.06 (458.8) 17.17 (436) -0.9 (-22.8) -5%
Width inches (mm) 4.33 (110) 5.12 (130) 0.79 (20) 18.2%
Circum. inches (mm) 56.75 (1441.36) 53.93 (1369.73) -2.82 (-71.63) -5%
Sidewall Height inches (mm) 3.03 (77) 3.58 (91) 0.55 (14) 18.2%
Revolutions per mile (km) 1116.54 (693.79) 1174.93 (730.07) 58.39 (36.28) 5.2%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.01 mph (30.59 km/h)
25 mph (40.23 km/h)23.76 mph (38.23 km/h)
30 mph (48.28 km/h)28.51 mph (45.88 km/h)
35 mph (56.33 km/h)33.26 mph (53.53 km/h)
40 mph (64.37 km/h)38.01 mph (61.17 km/h)
45 mph (72.42 km/h)42.76 mph (68.82 km/h)
50 mph (80.47 km/h)47.52 mph (76.47 km/h)
55 mph (88.51 km/h)52.27 mph (84.12 km/h)
60 mph (96.56 km/h)57.02 mph (91.76 km/h)
65 mph (104.61 km/h)61.77 mph (99.41 km/h)
70 mph (112.65 km/h)66.52 mph (107.06 km/h)
75 mph (120.7 km/h)71.27 mph (114.7 km/h)
80 mph (128.75 km/h)76.02 mph (122.35 km/h)
85 mph (136.79 km/h)80.78 mph (130 km/h)
90 mph (144.84 km/h)85.53 mph (137.64 km/h)
95 mph (152.89 km/h)90.28 mph (145.29 km/h)
100 mph (160.93 km/h)95.03 mph (152.94 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 110/70-R12 Comparisons

To Top