tireheight.com

275/50R19 in inches

A 275/50R19 tire is 29.8″ tall and 10.8″ wide, and fits a 19″ wheel. In inches it is written 29.8×10.8R19.

Diameter29.83″
Width10.83″
Sidewall5.41″
275/50R19 drawn to scale: 29.83 inch diameter, 5.41 inch sidewall, 19 inch wheel, 10.83 inch tread width19″ wheel5.41″29.83″ overall10.83″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 275/50R19 tires really are

Heights published by Michelin for all 2 tires in this size. Their published revolutions per mile work out to 29.0″ under load (below).

Real 275/50R19 tires measure 29.88–29.90″, against 29.83″ from the size code. Every one runs taller than the size code.

Height under load29.0″

Published revs per mile (696) mean the tire rolls like a 29.0″ tire on the vehicle. Use this for speedometer calibration.

Weight spread34.4–34.6 lb

The lightest (Michelin Latitude Sport 3, XL) is 0.2 lb lighter per corner than the heaviest (Michelin Pilot Alpin 5, XL).

2 tires in 275/50R19

Sort by the spec you care about.

LoadRevs/miSource
Michelin Latitude Sport 3PerformanceXL · 112(Y)29.9034.48.52,447696Spec page
Michelin Pilot Alpin 5WinterXL · 112V29.8834.610.52,469696Spec page

Is 275/50R19 a 30-inch tire?

≈30″

Yes. The size code works out to 29.83″, and the 2 tires here publish 29.88–29.90″, so people call it a 30.

All 30-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 275/50R19Difference
255/50R1929.04-0.79″-2.6%
285/45R1929.10-0.73″-2.4%
235/55R1929.18-0.65″-2.2%
265/50R1929.43-0.39″-1.3%
245/55R1929.61-0.22″-0.7%
245/50R2029.65-0.18″-0.6%
275/45R2029.74-0.08″-0.3%
255/55R1930.04+0.22″+0.7%
235/60R1930.10+0.28″+0.9%
265/55R1930.48+0.65″+2.2%

How to read 275/50R19

How to read any tire size

275/50R19 112Y as printed on the tire sidewall, with each part numbered275/50R19 112Y123456
How 275/50R19 112Y is printed on the sidewall. It's the most common code among the 2 tires here (1 of them); tires in this size come in other load and speed ratings too.
1275Section width

275 mm across the widest point, or 10.83 inches. Every 275 size

250Aspect ratio

A percentage, not a measurement: the sidewall is 50% as tall as the tire is wide, which is 137.5 mm or 5.41 inches.

3RConstruction

Radial construction.

419Wheel diameter

Mounts on a 19-inch wheel. Approved wheel widths run 7.5″ to 9.5″.

5112Load index

Each tire carries up to 2,469 lb (1,120 kg) at its maximum pressure.

6YSpeed rating

Rated for up to 186 mph sustained.

XLExtra load

Printed after the size.

SpecificationInchesMetric
Overall diameter29.83758 mm
Section width10.83275 mm
Sidewall height5.41137.5 mm
Circumference93.72,380 mm
Revolutions per mile (calculated, unloaded)676.2420 per km
Revolutions per mile (published by manufacturers)696432 per km
Approved wheel width7.5–9.5191–241 mm

Speedometer error after switching to 275/50R19

Your actual speed– mph

Questions about 275/50R19

What is 275/50R19 in inches?

29.83 inches tall, 10.83 inches wide, on a 19-inch wheel. Written in inches, that is roughly 29.8×10.8R19.

How much does a 275/50R19 tire weigh?

Between 34.4 lb and 34.6 lb for the 2 tires listed here. The lightest is the Michelin Latitude Sport 3 (XL); the heaviest is the Michelin Pilot Alpin 5 (XL).

What wheel width do I need for 275/50R19?

Manufacturers approve 7.5–9.5″ wide wheels for this size.

How many revolutions per mile does a 275/50R19 make?

Published figures run 696 revolutions per mile. The calculated figure is 676.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 275/50R19 than 245/55R19?

0.22 inches taller on paper (29.83″ vs 29.61″), which raises the axle about 0.11″. Your speedometer will read about 0.7% slow.