tireheight.com375/40R24 in inches
A 375/40R24 tire is 35.8″ tall and 14.8″ wide, and fits a 24″ wheel. In inches it is written 35.8×14.8R24.
How tall 375/40R24 tires really are
Heights published by Toyo for the one tire in this size. Their published revolutions per mile work out to 35.0″ under load (below).
The one tire listed, the Toyo Open Country M/T, measures 36.06″: 0.25″ taller than the size code's 35.81″.
Published revs per mile (576) mean the tire rolls like a 35.0″ tire on the vehicle. Use this for speedometer calibration.
1 tire in 375/40R24
Sort by the spec you care about.
Is 375/40R24 a 36-inch tire?
Yes. The size code works out to 35.81″, and the 1 tire here publishes 36.06″, so people call it a 36.
All 36-inch tire sizes, on every wheel size.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
| Size | Diameter ″ | vs 375/40R24 | Difference |
|---|---|---|---|
| 275/50R24 | 34.83 | -0.98″ | -2.7% |
| 35×15.50R24 | 35.00 | -0.81″ | -2.3% |
| 315/50R24 | 36.40 | +0.59″ | +1.6% |
| 37×13.50R24 | 37.00 | +1.19″ | +3.3% |
| 37×14.50R24 | 37.00 | +1.19″ | +3.3% |
| 38×13.50R24 | 38.00 | +2.19″ | +6.1% |
| 38×15.50R24 | 38.00 | +2.19″ | +6.1% |
How to read 375/40R24
Marks a light truck (LT) tire.
375 mm across the widest point, or 14.76 inches.
A percentage, not a measurement: the sidewall is 40% as tall as the tire is wide, which is 150.0 mm or 5.91 inches.
Radial construction.
Mounts on a 24-inch wheel. Approved wheel widths run 12.5″ to 15.0″.
Each tire carries up to 3,750 lb (1,700 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 3,750 lb each, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 35.81 | 910 mm |
| Section width | 14.76 | 375 mm |
| Sidewall height | 5.91 | 150.0 mm |
| Circumference | 112.5 | 2,858 mm |
| Revolutions per mile (calculated, unloaded) | 563.2 | 350 per km |
| Revolutions per mile (published by manufacturers) | 576 | 358 per km |
| Approved wheel width | 12.5–15.0 | 318–381 mm |
Speedometer error after switching to 375/40R24
Questions about 375/40R24
What is 375/40R24 in inches?
35.81 inches tall, 14.76 inches wide, on a 24-inch wheel. Written in inches, that is roughly 35.8×14.8R24.
What wheel width do I need for 375/40R24?
Manufacturers approve 12.5–15.0″ wide wheels for this size.
How many revolutions per mile does a 375/40R24 make?
Published figures run 576 revolutions per mile. The calculated figure is 563.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 375/40R24 than 35×15.50R24?
0.81 inches taller on paper (35.81″ vs 35.00″), which raises the axle about 0.41″. Your speedometer will read about 2.3% slow.