tireheight.com

245/55R19 in inches

A 245/55R19 tire is 29.6″ tall and 9.6″ wide, and fits a 19″ wheel. In inches it is written 29.6×9.6R19.

Diameter29.61″
Width9.65″
Sidewall5.31″
245/55R19 drawn to scale: 29.61 inch diameter, 5.31 inch sidewall, 19 inch wheel, 9.65 inch tread width19″ wheel5.31″29.61″ overall9.65″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 245/55R19 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 14 tires in this size. Their published revolutions per mile work out to 28.7–28.8″ under load (below).

Real 245/55R19 tires measure 29.60–29.70″, against 29.61″ from the size code. They run both taller and shorter than the size code.

Height under load28.7–28.8″

Published revs per mile (701–702) mean the tire rolls like a 28.7–28.8″ tire on the vehicle. Use this for speedometer calibration.

Weight spread30.2–35.7 lb

The lightest (General AltiMAX RT45, SL) is 5.5 lb lighter per corner than the heaviest (Toyo OPEN COUNTRY Q/T, SL).

14 tires in 245/55R19

Sort by the spec you care about.

LoadRevs/miSource
General AltiMAX RT45TouringSL · 103H29.6030.211.01,929702Spec page
General AltiMAX365 AWTouringSL · 103H29.6030.511.01,929702Spec page
Michelin CrossClimate2All-seasonXL · 107V29.6030.910.02,149702Spec page
Michelin Defender2All-seasonXL · 107H29.6531.010.52,149702Spec page
Michelin Primacy All SeasonTouringSL · 103H29.7031.110.01,929702Spec page
Michelin X-Ice Snow+WinterXL · 107H29.6531.510.52,149702Spec page
Michelin X-Ice SnowWinterSL · 103H29.6532.010.51,929702Spec page
General Grabber H/THighwaySL · 103T29.6032.812.01,929702Spec page
Toyo Celsius IITouringXL · 107H29.6533.311.72,149701Spec page
Toyo Observe G3-IceWinterSL · 103T29.6433.712.01,929701Spec page
Toyo Proxes G-TourSL · 103V29.6534.012.01,929701Spec page
BFGoodrich Advantage ControlAll-seasonSL · 103H29.6534.911.51,929702Spec page
Toyo OPEN COUNTRY Q/TAll-seasonSL · 103H29.6435.712.61,929701Spec page
General AltiMAX Arctic XWinterXL · 107T29.60–12.02,149702Spec page

Is 245/55R19 a 30-inch tire?

≈30″

Close. The size code works out to 29.61″, and the 14 tires here publish 29.60–29.70″, 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 245/55R19Difference
255/50R1929.04-0.57″-1.9%
285/45R1929.10-0.51″-1.7%
235/55R1929.18-0.43″-1.5%
265/50R1929.43-0.18″-0.6%
245/60R1829.57-0.04″-0.1%
305/40R2029.61-0.00″-0.0%
245/50R2029.65+0.04″+0.1%
275/50R1929.83+0.22″+0.7%
255/55R1930.04+0.43″+1.5%
235/60R1930.10+0.49″+1.7%

How to read 245/55R19

How to read any tire size

245/55R19 103H as printed on the tire sidewall, with each part numbered245/55R19 103H123456
How 245/55R19 103H is printed on the sidewall. It's the most common code among the 14 tires here (5 of them); tires in this size come in other load and speed ratings too.
1245Section width

245 mm across the widest point, or 9.65 inches. Every 245 size

255Aspect ratio

A percentage, not a measurement: the sidewall is 55% as tall as the tire is wide, which is 134.8 mm or 5.31 inches.

3RConstruction

Radial construction.

419Wheel diameter

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

5103Load index

Each tire carries up to 1,929 lb (875 kg) at its maximum pressure.

6HSpeed rating

Rated for up to 130 mph sustained.

SpecificationInchesMetric
Overall diameter29.61752 mm
Section width9.65245 mm
Sidewall height5.31134.8 mm
Circumference93.02,363 mm
Revolutions per mile (calculated, unloaded)681.1423 per km
Revolutions per mile (published by manufacturers)701–702435–436 per km
Approved wheel width7.0–8.5178–216 mm

Speedometer error after switching to 245/55R19

Your actual speed– mph

Questions about 245/55R19

What is 245/55R19 in inches?

29.61 inches tall, 9.65 inches wide, on a 19-inch wheel. Written in inches, that is roughly 29.6×9.6R19.

How much does a 245/55R19 tire weigh?

Between 30.2 lb and 35.7 lb for the 13 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the Toyo OPEN COUNTRY Q/T (SL).

What wheel width do I need for 245/55R19?

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

How many revolutions per mile does a 245/55R19 make?

Published figures run 701–702 revolutions per mile. The calculated figure is 681.1, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 245/55R19 than 265/50R19?

0.18 inches taller on paper (29.61″ vs 29.43″), which raises the axle about 0.09″. Your speedometer will read about 0.6% slow.