Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
110/70r16 vs 100/70r16 Tire Comparison Side By Side
  110/70-16 100/70-16 Difference
Diameter inches (mm) 22.06 (560.4) 21.51 (546.4) -0.55 (-14) -2.5%
Width inches (mm) 4.33 (110) 3.94 (100) -0.39 (-10) -9.1%
Circum. inches (mm) 69.31 (1760.55) 67.58 (1716.57) -1.73 (-43.98) -2.5%
Sidewall Height inches (mm) 3.03 (77) 2.76 (70) -0.28 (-7) -9.1%
Revolutions per mile (km) 914.12 (568) 937.54 (582.56) 23.42 (14.55) 2.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.5 mph (31.38 km/h)
25 mph (40.23 km/h)24.38 mph (39.23 km/h)
30 mph (48.28 km/h)29.25 mph (47.07 km/h)
35 mph (56.33 km/h)34.13 mph (54.92 km/h)
40 mph (64.37 km/h)39 mph (62.77 km/h)
45 mph (72.42 km/h)43.88 mph (70.61 km/h)
50 mph (80.47 km/h)48.75 mph (78.46 km/h)
55 mph (88.51 km/h)53.63 mph (86.3 km/h)
60 mph (96.56 km/h)58.5 mph (94.15 km/h)
65 mph (104.61 km/h)63.38 mph (101.99 km/h)
70 mph (112.65 km/h)68.25 mph (109.84 km/h)
75 mph (120.7 km/h)73.13 mph (117.69 km/h)
80 mph (128.75 km/h)78 mph (125.53 km/h)
85 mph (136.79 km/h)82.88 mph (133.38 km/h)
90 mph (144.84 km/h)87.75 mph (141.22 km/h)
95 mph (152.89 km/h)92.63 mph (149.07 km/h)
100 mph (160.93 km/h)97.5 mph (156.91 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-R16 Comparisons

To Top