Tire Size Calculator

Tire Size Finder (optional):

Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
/ R
/ R
275/45r19 vs 265/50r19 Tire Comparison Side By Side
  275/45-19 265/50-19 Difference
Diameter inches (mm) 28.74 (730.1) 29.43 (747.6) 0.69 (17.5) 2.4%
Width inches (mm) 10.83 (275) 10.43 (265) -0.39 (-10) -3.6%
Circum. inches (mm) 90.3 (2293.68) 92.47 (2348.65) 2.16 (54.98) 2.4%
Sidewall Height inches (mm) 4.87 (123.75) 5.22 (132.5) 0.34 (8.75) 7.1%
Revolutions per mile (km) 701.64 (435.98) 685.22 (425.77) -16.42 (-10.21) -2.3%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)20.48 mph (32.96 km/h)
25 mph (40.23 km/h)25.6 mph (41.2 km/h)
30 mph (48.28 km/h)30.72 mph (49.44 km/h)
35 mph (56.33 km/h)35.84 mph (57.68 km/h)
40 mph (64.37 km/h)40.96 mph (65.92 km/h)
45 mph (72.42 km/h)46.08 mph (74.16 km/h)
50 mph (80.47 km/h)51.2 mph (82.4 km/h)
55 mph (88.51 km/h)56.32 mph (90.64 km/h)
60 mph (96.56 km/h)61.44 mph (98.88 km/h)
65 mph (104.61 km/h)66.56 mph (107.11 km/h)
70 mph (112.65 km/h)71.68 mph (115.35 km/h)
75 mph (120.7 km/h)76.8 mph (123.59 km/h)
80 mph (128.75 km/h)81.92 mph (131.83 km/h)
85 mph (136.79 km/h)87.04 mph (140.07 km/h)
90 mph (144.84 km/h)92.16 mph (148.31 km/h)
95 mph (152.89 km/h)97.28 mph (156.55 km/h)
100 mph (160.93 km/h)102.4 mph (164.79 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
17442026218222782382245625382634276829013050316833843621380739253992423745785320
Better Fuel Economy Factory Ratios Increased Power

Most Popular 275/45-R19 Comparisons

To Top