275/50R24 in inches

A 275/50R24 tire is 34.8″ tall and 10.8″ wide, and fits a 24″ wheel. In inches it is written 34.8×10.8R24.

Diameter34.83″

Width10.83″

Sidewall5.41″

Drawn to scale. Nominal dimensions calculated from the size code.

Manufacturer data

How tall 275/50R24 tires really are

Heights published by Michelin and Toyo for all 3 tires in this size. Their published revolutions per mile work out to 33.8″ under load (below).

Real 275/50R24 tires measure 34.90″, against 34.83″ from the size code. Every one runs taller than the size code.

Height under load33.8″

Published revs per mile (596) mean the tire rolls like a 33.8″ tire on the vehicle. Use this for speedometer calibration.

Weight spread54.5–62.6 lb

The lightest (Michelin Primacy LTX, LT E) is 8.1 lb lighter per corner than the heaviest (Toyo Open Country A/T III EV, LT E).

3 tires in 275/50R24

Sort by the spec you care about.

	Load					Revs/mi	Source
Michelin Primacy LTXAll-season	LT E · 121S	34.90	54.5	11.0	3,195	596	Spec page
Michelin Defender LTX M/S 2All-season	LT E · 121S	34.90	55.1	14.0	3,195	596	Spec page
Toyo Open Country A/T III EVAll-terrain	LT E · 121/118S	34.90	62.6	16.4	3,195	596	Spec page

Is 275/50R24 a 35-inch tire?

≈35″

Yes. The size code works out to 34.83″, and the 3 tires here publish 34.90″, so people call it a 35.

All 35-inch tire sizes, on every wheel size.

A true 35×15.50R24 is 0.17″ taller on paper and 4.7″ wider.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 275/50R24	Difference
305/35R24	32.41	-2.42″	-7.0%
305/40R23	32.61	-2.22″	-6.4%
285/40R24	32.98	-1.85″	-5.3%
35×15.50R24	35.00	+0.17″	+0.5%
375/40R24	35.81	+0.98″	+2.8%
315/50R24	36.40	+1.57″	+4.5%
37×13.50R24	37.00	+2.17″	+6.2%
37×14.50R24	37.00	+2.17″	+6.2%

How to read 275/50R24

How to read any tire size

How LT275/50R24 121S is printed on the sidewall. It's the most common code among the 3 tires here (2 of them); tires in this size come in other load and speed ratings too.

1LTLight truck

Marks a light truck (LT) tire.

2275Section width

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

350Aspect 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.

4RConstruction

Radial construction.

524Wheel diameter

Mounts on a 24-inch wheel. Approved wheel widths run 7.5″ to 9.5″.

6121Load index

Each tire carries up to 3,195 lb (1,450 kg) at its maximum pressure.

7SSpeed rating

Rated for up to 112 mph sustained.

ELoad range

Printed separately as "LOAD RANGE E": a 10-ply rating, inflated up to 80 psi (standard load-range table). The load range E tires here carry up to 3,195 lb each, as published.

Specification	Inches	Metric
Overall diameter	34.83	885 mm
Section width	10.83	275 mm
Sidewall height	5.41	137.5 mm
Circumference	109.4	2,779 mm
Revolutions per mile (calculated, unloaded)	579.1	360 per km
Revolutions per mile (published by manufacturers)	596	370 per km
Approved wheel width	7.5–9.5	191–241 mm

Speedometer error after switching to 275/50R24

Your actual speed– mph

Questions about 275/50R24

What is 275/50R24 in inches?

34.83 inches tall, 10.83 inches wide, on a 24-inch wheel. Written in inches, that is roughly 34.8×10.8R24.

How much does a 275/50R24 tire weigh?

Between 54.5 lb and 62.6 lb for the 3 tires listed here. The lightest is the Michelin Primacy LTX (LT E); the heaviest is the Toyo Open Country A/T III EV (LT E).

What wheel width do I need for 275/50R24?

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

How many revolutions per mile does a 275/50R24 make?

Published figures run 596 revolutions per mile. The calculated figure is 579.1, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 275/50R24 than 285/40R24?

1.85 inches taller on paper (34.83″ vs 32.98″), which raises the axle about 0.93″. Your speedometer will read about 5.6% slow.