tireheight.com

225/45R19 in inches

A 225/45R19 tire is 27.0″ tall and 8.9″ wide, and fits a 19″ wheel. In inches it is written 27.0×8.9R19.

Diameter26.97″
Width8.86″
Sidewall3.99″
225/45R19 drawn to scale: 26.97 inch diameter, 3.99 inch sidewall, 19 inch wheel, 8.86 inch tread width19″ wheel3.99″26.97″ overall8.86″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 225/45R19 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 11 tires in this size. Their published revolutions per mile work out to 26.2″ under load (below).

Real 225/45R19 tires measure 26.97–27.60″, against 26.97″ from the size code. They run both taller and shorter than the size code.

  1. Michelin Pilot Sport All-Season 427.60″ +0.63″
  2. General G-MAX AS0727.00″ +0.03″
  3. Michelin Pilot Sport 4 S27.00″ +0.03″
  4. Toyo Proxes Sport 227.00″ +0.03″
  5. BFGoodrich g-Force COMP-2 A/S PLUS26.97″ −0.00″
  6. BFGoodrich g-Force Phenom T/A26.97″ −0.00″
  7. Michelin X-Ice Snow26.97″ −0.00″
  8. Michelin X-Ice Snow+26.97″ −0.00″
  9. Toyo Celsius Sport26.97″ −0.00″
  10. Toyo Extensa HP II26.97″ −0.00″
  11. Toyo Proxes Sport A/S26.97″ −0.00″
Each bar runs from the size code's 26.97″ (the orange line) to the model's published height. The track spans 1.0″. Where a model comes in several load ranges, the darker part shows its range of heights; the number after the name is how many versions it comes in.
Height under load26.2″

Published revs per mile (770–771) mean the tire rolls like a 26.2″ tire on the vehicle. Use this for speedometer calibration.

Weight spread22.9–27.1 lb

The lightest (Toyo Proxes Sport 2, XL) is 4.2 lb lighter per corner than the heaviest (BFGoodrich g-Force Phenom T/A, XL).

11 tires in 225/45R19

Sort by the spec you care about.

LoadRevs/miSource
Toyo Proxes Sport 2PerformanceXL · 96(Y)27.0022.99.11,565770Spec page
Michelin Pilot Sport 4 SPerformanceXL · 96(Y)27.0023.39.51,565771Spec page
Toyo Extensa HP IIPerformanceXL · 96W26.9723.49.31,565770Spec page
Michelin X-Ice Snow+WinterXL · 96H26.9723.510.51,565771Spec page
Michelin X-Ice SnowWinterXL · 96T26.9724.510.51,565771Spec page
Toyo Celsius SportPerformanceXL · 96W26.9724.69.71,565770Spec page
General G-MAX AS07PerformanceSL · 92W27.0024.910.01,389770Spec page
Michelin Pilot Sport All-Season 4PerformanceXL · 96Y27.6025.710.01,565771Spec page
Toyo Proxes Sport A/SPerformanceXL · 96W26.9726.89.71,565770Spec page
BFGoodrich g-Force COMP-2 A/S PLUSPerformanceXL · 96W26.9726.89.01,389771Spec page
BFGoodrich g-Force Phenom T/APerformanceXL · 96Y26.9727.19.01,565771Spec page

Is 225/45R19 a 27-inch tire?

≈27″

Yes. The size code works out to 26.97″, and the 11 tires here publish 26.97–27.60″, so people call it a 27.

All 27-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 225/45R19Difference
275/35R1926.58-0.39″-1.5%
195/50R1926.68-0.30″-1.1%
325/30R1926.68-0.30″-1.1%
245/40R1926.72-0.26″-0.9%
285/35R1926.85-0.12″-0.4%
255/40R1927.03+0.06″+0.2%
295/35R1927.13+0.16″+0.6%
345/30R1927.15+0.18″+0.7%
235/45R1927.33+0.35″+1.3%
265/40R1927.35+0.37″+1.4%

How to read 225/45R19

How to read any tire size

225/45R19 96W as printed on the tire sidewall, with each part numbered225/45R19 96W123456
How 225/45R19 96W is printed on the sidewall. It's the most common code among the 11 tires here (4 of them); tires in this size come in other load and speed ratings too.
1225Section width

225 mm across the widest point, or 8.86 inches. Every 225 size

245Aspect ratio

A percentage, not a measurement: the sidewall is 45% as tall as the tire is wide, which is 101.3 mm or 3.99 inches.

3RConstruction

Radial construction.

419Wheel diameter

Mounts on a 19-inch wheel. Approved wheel widths run 7.0″ to 8.5″.

596Load index

Each tire carries up to 1,565 lb (710 kg) at its maximum pressure.

6WSpeed rating

Rated for up to 168 mph sustained.

XLExtra load

Printed after the size. In this size the XL tires carry up to 1,565 lb each and the standard-load tires up to 1,389 lb, as published.

SpecificationInchesMetric
Overall diameter26.97685 mm
Section width8.86225 mm
Sidewall height3.99101.3 mm
Circumference84.72,152 mm
Revolutions per mile (calculated, unloaded)747.7465 per km
Revolutions per mile (published by manufacturers)770–771478–479 per km
Approved wheel width7.0–8.5178–216 mm

Speedometer error after switching to 225/45R19

Your actual speed– mph

Questions about 225/45R19

What is 225/45R19 in inches?

26.97 inches tall, 8.86 inches wide, on a 19-inch wheel. Written in inches, that is roughly 27.0×8.9R19.

How much does a 225/45R19 tire weigh?

Between 22.9 lb and 27.1 lb for the 11 tires listed here. The lightest is the Toyo Proxes Sport 2 (XL); the heaviest is the BFGoodrich g-Force Phenom T/A (XL).

What wheel width do I need for 225/45R19?

Manufacturers approve 7.0–8.5″ wide wheels for this size.

How many revolutions per mile does a 225/45R19 make?

Published figures run 770–771 revolutions per mile. The calculated figure is 747.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 225/45R19 than 285/35R19?

0.12 inches taller on paper (26.97″ vs 26.85″), which raises the axle about 0.06″. Your speedometer will read about 0.4% slow.