tireheight.com

225/40R19 in inches

A 225/40R19 tire is 26.1″ tall and 8.9″ wide, and fits a 19″ wheel. In inches it is written 26.1×8.9R19.

Diameter26.09″
Width8.86″
Sidewall3.54″
225/40R19 drawn to scale: 26.09 inch diameter, 3.54 inch sidewall, 19 inch wheel, 8.86 inch tread width19″ wheel3.54″26.09″ overall8.86″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 225/40R19 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 17 tires in this size. Their published revolutions per mile work out to 25.3″ under load (below).

Real 225/40R19 tires measure 26.10–26.30″, against 26.09″ from the size code. They run both taller and shorter than the size code.

  1. Michelin Pilot Sport All-Season 426.30″ +0.21″
  2. Toyo Celsius26.10″ +0.02″
  3. Toyo Proxes Sport26.10″ +0.02″
  4. Toyo Proxes Sport A/S26.10″ +0.02″
  5. BFGoodrich g-Force COMP-2 A/S PLUS26.10″ +0.01″
  6. BFGoodrich g-Force Phenom T/A26.10″ +0.01″
  7. General G-MAX AS0726.10″ +0.01″
  8. General G-MAX RS26.10″ +0.01″
  9. Michelin Pilot Sport 4 S · 226.10″ +0.01″
  10. Michelin Pilot Sport 526.10″ +0.01″
  11. Michelin Pilot Sport Cup 2 Connect26.10″ +0.01″
  12. Michelin Primacy MXM426.10″ +0.01″
  13. Michelin Primacy Tour A/S26.10″ +0.01″
  14. Michelin X-Ice Snow26.10″ +0.01″
  15. Toyo Extensa HP II26.10″ +0.01″
  16. Toyo Proxes Sport 226.10″ +0.01″
Each bar runs from the size code's 26.09″ (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 load25.3″

Published revs per mile (796–797) mean the tire rolls like a 25.3″ tire on the vehicle. Use this for speedometer calibration.

Weight spread21.0–26.4 lb

The lightest (Michelin Pilot Sport 5, XL) is 5.4 lb lighter per corner than the heaviest (Michelin Primacy MXM4, XL).

17 tires in 225/40R19

Sort by the spec you care about.

LoadRevs/miSource
Michelin Pilot Sport 5PerformanceXL · 93Y26.1021.09.01,433797Spec page
Michelin Pilot Sport Cup 2 ConnectPerformanceXL · 93(Y)26.1021.17.21,433797Spec page
General G-MAX RSPerformanceXL · 93Y26.1021.810.01,433796Spec page
Michelin Pilot Sport 4 SPerformanceXL · 93Y26.1021.99.51,433797Spec page
Toyo Proxes Sport 2PerformanceXL · 93Y26.1022.78.91,433796Spec page
Toyo Proxes SportPerformanceXL · 93Y26.1022.79.31,433796Spec page
Michelin Pilot Sport 4 SPerformanceXL · 93(Y)26.1022.99.51,433797Spec page
Toyo Extensa HP IIPerformanceSL · 93W26.1023.19.91,433796Spec page
General G-MAX AS07PerformanceXL · 93W26.1023.410.01,433796Spec page
Michelin Primacy Tour A/STouringXL · 93W26.1024.09.01,433797Spec page
Michelin Pilot Sport All-Season 4PerformanceXL · 93Y26.3024.910.01,433797Spec page
Toyo CelsiusAll-weatherSL · 89V26.1025.110.31,279796Spec page
BFGoodrich g-Force Phenom T/APerformanceXL · 93W26.1025.29.01,433797Spec page
Michelin X-Ice SnowWinterXL · 93H26.1025.210.51,433797Spec page
Toyo Proxes Sport A/SPerformanceXL · 93Y26.1025.89.31,433796Spec page
BFGoodrich g-Force COMP-2 A/S PLUSPerformanceXL · 93W26.1026.19.01,433797Spec page
Michelin Primacy MXM4TouringXL · 93V26.1026.410.01,433797Spec page

Is 225/40R19 a 26-inch tire?

≈26″

Yes. The size code works out to 26.09″, and the 17 tires here publish 26.10–26.30″, so people call it a 26.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 225/40R19Difference
275/30R1925.50-0.59″-2.3%
285/30R1925.73-0.35″-1.4%
245/35R1925.75-0.33″-1.3%
295/30R1925.97-0.12″-0.5%
255/35R1926.03-0.06″-0.2%
305/30R1926.20+0.12″+0.5%
265/35R1926.30+0.22″+0.8%
235/40R1926.40+0.31″+1.2%
315/30R1926.44+0.35″+1.4%
275/35R1926.58+0.49″+1.9%

How to read 225/40R19

How to read any tire size

225/40R19 93Y as printed on the tire sidewall, with each part numbered225/40R19 93Y123456
How 225/40R19 93Y is printed on the sidewall. It's the most common code among the 17 tires here (7 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

240Aspect ratio

A percentage, not a measurement: the sidewall is 40% as tall as the tire is wide, which is 90.0 mm or 3.54 inches.

3RConstruction

Radial construction.

419Wheel diameter

Mounts on a 19-inch wheel. Approved wheel widths run 7.5″ to 9.0″.

593Load index

Each tire carries up to 1,433 lb (650 kg) at its maximum pressure.

6YSpeed rating

Rated for up to 186 mph sustained.

XLExtra load

Printed after the size. In this size the XL tires carry up to 1,433 lb each and the standard-load tires up to 1,433 lb, as published.

SpecificationInchesMetric
Overall diameter26.09663 mm
Section width8.86225 mm
Sidewall height3.5490.0 mm
Circumference82.02,082 mm
Revolutions per mile (calculated, unloaded)773.1480 per km
Revolutions per mile (published by manufacturers)796–797495 per km
Approved wheel width7.5–9.0191–229 mm

Speedometer error after switching to 225/40R19

Your actual speed– mph

Questions about 225/40R19

What is 225/40R19 in inches?

26.09 inches tall, 8.86 inches wide, on a 19-inch wheel. Written in inches, that is roughly 26.1×8.9R19.

How much does a 225/40R19 tire weigh?

Between 21.0 lb and 26.4 lb for the 17 tires listed here. The lightest is the Michelin Pilot Sport 5 (XL); the heaviest is the Michelin Primacy MXM4 (XL).

What wheel width do I need for 225/40R19?

Manufacturers approve 7.5–9.0″ wide wheels for this size.

How many revolutions per mile does a 225/40R19 make?

Published figures run 796–797 revolutions per mile. The calculated figure is 773.1, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 225/40R19 than 255/35R19?

0.06 inches taller on paper (26.09″ vs 26.03″), which raises the axle about 0.03″. Your speedometer will read about 0.2% slow.