Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
125/70r16 vs 125/60r16 Tire Comparison Side By Side
  125/70-16 125/60-16 Difference
Diameter inches (mm) 22.89 (581.4) 21.91 (556.4) -0.98 (-25) -4.3%
Width inches (mm) 4.92 (125) 4.92 (125) 0 (0) 0%
Circum. inches (mm) 71.91 (1826.52) 68.82 (1747.98) -3.09 (-78.54) -4.3%
Sidewall Height inches (mm) 3.44 (87.5) 2.95 (75) -0.49 (-12.5) -14.3%
Revolutions per mile (km) 881.1 (547.49) 920.69 (572.09) 39.59 (24.6) 4.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)19.14 mph (30.8 km/h)
25 mph (40.23 km/h)23.93 mph (38.5 km/h)
30 mph (48.28 km/h)28.71 mph (46.2 km/h)
35 mph (56.33 km/h)33.5 mph (53.91 km/h)
40 mph (64.37 km/h)38.28 mph (61.61 km/h)
45 mph (72.42 km/h)43.07 mph (69.31 km/h)
50 mph (80.47 km/h)47.85 mph (77.01 km/h)
55 mph (88.51 km/h)52.64 mph (84.71 km/h)
60 mph (96.56 km/h)57.42 mph (92.41 km/h)
65 mph (104.61 km/h)62.21 mph (100.11 km/h)
70 mph (112.65 km/h)66.99 mph (107.81 km/h)
75 mph (120.7 km/h)71.78 mph (115.51 km/h)
80 mph (128.75 km/h)76.56 mph (123.21 km/h)
85 mph (136.79 km/h)81.35 mph (130.91 km/h)
90 mph (144.84 km/h)86.13 mph (138.61 km/h)
95 mph (152.89 km/h)90.92 mph (146.31 km/h)
100 mph (160.93 km/h)95.7 mph (154.01 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 125/70-R16 Comparisons

To Top