Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
140/60r14 vs 200/60r14 Tire Comparison Side By Side
  140/60-14 200/60-14 Difference
Diameter inches (mm) 20.61 (523.6) 23.45 (595.6) 2.83 (72) 13.8%
Width inches (mm) 5.51 (140) 7.87 (200) 2.36 (60) 42.9%
Circum. inches (mm) 64.76 (1644.94) 73.67 (1871.13) 8.91 (226.19) 13.8%
Sidewall Height inches (mm) 3.31 (84) 4.72 (120) 1.42 (36) 42.9%
Revolutions per mile (km) 978.36 (607.92) 860.09 (534.43) -118.27 (-73.49) -12.1%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)22.75 mph (36.61 km/h)
25 mph (40.23 km/h)28.44 mph (45.77 km/h)
30 mph (48.28 km/h)34.13 mph (54.92 km/h)
35 mph (56.33 km/h)39.81 mph (64.07 km/h)
40 mph (64.37 km/h)45.5 mph (73.23 km/h)
45 mph (72.42 km/h)51.19 mph (82.38 km/h)
50 mph (80.47 km/h)56.88 mph (91.53 km/h)
55 mph (88.51 km/h)62.56 mph (100.69 km/h)
60 mph (96.56 km/h)68.25 mph (109.84 km/h)
65 mph (104.61 km/h)73.94 mph (118.99 km/h)
70 mph (112.65 km/h)79.63 mph (128.15 km/h)
75 mph (120.7 km/h)85.31 mph (137.3 km/h)
80 mph (128.75 km/h)91 mph (146.45 km/h)
85 mph (136.79 km/h)96.69 mph (155.61 km/h)
90 mph (144.84 km/h)102.38 mph (164.76 km/h)
95 mph (152.89 km/h)108.06 mph (173.91 km/h)
100 mph (160.93 km/h)113.75 mph (183.06 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
21892543273828592990308331853306347436423828397742474545477849275011531857476678
Better Fuel Economy Factory Ratios Increased Power

Most Popular 140/60-R14 Comparisons

To Top