tireheight.com38×15.50R24 in inches
A 38×15.50R24 tire is 38.0″ tall and 15.5″ wide, and fits a 24″ wheel.
How tall 38×15.50R24 tires really are
Heights published by Mickey Thompson and Toyo for all 2 tires in this size. Their published revolutions per mile work out to 36.4″ under load (below).
Real 38×15.50R24 tires measure 37.52–38.00″, against 38.00″ from the size code. They run both taller and shorter than the size code.
- Mickey Thompson Baja Boss M/T38.00″ +0.00″
- Toyo Open Country R/T Trail37.52″ −0.48″
Published revs per mile (554) mean the tire rolls like a 36.4″ tire on the vehicle. Use this for speedometer calibration.
The lightest (Mickey Thompson Baja Boss M/T, LT F) is 2.9 lb lighter per corner than the heaviest (Toyo Open Country R/T Trail, LT F).
2 tires in 38×15.50R24
Sort by the spec you care about.
Is a 38×15.50R24 really 38 inches tall?
Mostly. The name says 38″, and the 2 tires here publish 37.52–38.00″.
All 38-inch tire sizes, on every wheel size.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
| Size | Diameter ″ | vs 38×15.50R24 | Difference |
|---|---|---|---|
| 375/40R24 | 35.81 | -2.19″ | -5.8% |
| 315/50R24 | 36.40 | -1.60″ | -4.2% |
| 37×13.50R24 | 37.00 | -1.00″ | -2.6% |
| 37×14.50R24 | 37.00 | -1.00″ | -2.6% |
| 38×13.50R24 | 38.00 | 0.00″ | 0.0% |
| 40×15.50R24 | 40.00 | +2.00″ | +5.3% |
How to read 38×15.50R24
38 inches tall, measured on the approved wheel. Flotation sizes give every number in inches.
15.50 inches across the widest point, or 394 mm.
Radial construction.
Mounts on a 24-inch wheel. Approved wheel widths run 11.0″ to 14.0″.
Marks a light truck (LT) tire.
Each tire carries up to 3,970 lb (1,800 kg) at its maximum pressure.
Rated for up to 99 mph sustained.
Printed separately as "LOAD RANGE F": a 12-ply rating, inflated up to 95 psi (standard load-range table). The load range F tires here carry up to 3,970 lb each, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 38.00 | 965 mm |
| Section width | 15.50 | 394 mm |
| Sidewall height | 7.00 | 177.8 mm |
| Circumference | 119.4 | 3,032 mm |
| Revolutions per mile (calculated, unloaded) | 530.7 | 330 per km |
| Revolutions per mile (published by manufacturers) | 554 | 344 per km |
| Approved wheel width | 11.0–14.0 | 279–356 mm |
Speedometer error after switching to 38×15.50R24
Questions about 38×15.50R24
What is 38×15.50R24 in inches?
38.00 inches tall, 15.50 inches wide, on a 24-inch wheel. Manufacturers publish 37.52–38.00 inches for the 2 tires listed here.
How much does a 38×15.50R24 tire weigh?
Between 95.0 lb and 97.9 lb for the 2 tires listed here. The lightest is the Mickey Thompson Baja Boss M/T (LT F); the heaviest is the Toyo Open Country R/T Trail (LT F).
What wheel width do I need for 38×15.50R24?
Manufacturers approve 11.0–14.0″ wide wheels for this size.
How many revolutions per mile does a 38×15.50R24 make?
Published figures run 554 revolutions per mile. The calculated figure is 530.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 38×15.50R24 than 37×14.50R24?
1.00 inches taller on paper (38.00″ vs 37.00″), which raises the axle about 0.50″. Your speedometer will read about 2.7% slow.