Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
185/95r14 vs 185/95r15 Tire Comparison Side By Side
  185/95-14 185/95-15 Difference
Diameter inches (mm) 27.84 (707.1) 28.84 (732.5) 1 (25.4) 3.6%
Width inches (mm) 7.28 (185) 7.28 (185) 0 (0) 0%
Circum. inches (mm) 87.46 (2221.42) 90.6 (2301.22) 3.14 (79.8) 3.6%
Sidewall Height inches (mm) 6.92 (175.75) 6.92 (175.75) 0 (0) 0%
Revolutions per mile (km) 724.47 (450.16) 699.34 (434.55) -25.12 (-15.61) -3.5%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.72 mph (33.34 km/h)
25 mph (40.23 km/h)25.9 mph (41.68 km/h)
30 mph (48.28 km/h)31.08 mph (50.01 km/h)
35 mph (56.33 km/h)36.26 mph (58.35 km/h)
40 mph (64.37 km/h)41.44 mph (66.69 km/h)
45 mph (72.42 km/h)46.62 mph (75.02 km/h)
50 mph (80.47 km/h)51.8 mph (83.36 km/h)
55 mph (88.51 km/h)56.98 mph (91.69 km/h)
60 mph (96.56 km/h)62.16 mph (100.03 km/h)
65 mph (104.61 km/h)67.33 mph (108.37 km/h)
70 mph (112.65 km/h)72.51 mph (116.7 km/h)
75 mph (120.7 km/h)77.69 mph (125.04 km/h)
80 mph (128.75 km/h)82.87 mph (133.37 km/h)
85 mph (136.79 km/h)88.05 mph (141.71 km/h)
90 mph (144.84 km/h)93.23 mph (150.04 km/h)
95 mph (152.89 km/h)98.41 mph (158.38 km/h)
100 mph (160.93 km/h)103.59 mph (166.72 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
17802067222723252431250725902688282529613113323434533696388540064074432446735430
Better Fuel Economy Factory Ratios Increased Power

Most Popular 185/95-R14 Comparisons

To Top