375/40R24 tire size
375/40R24 is a metric size: 35.8" tall, 14.8" wide, on a 24" rim — about a 36x15.00R24. The sidewall is 5.9" and the tire turns 563 times per mile.
375/40R24 specs
| Overall diameter (height) | 35.81" · 910 mm |
|---|---|
| Section width | 14.76" · 375 mm |
| Sidewall height | 5.91" · 150 mm (40% of width) |
| Rim diameter | 24" |
| Circumference | 112.50" · 2.858 m |
| Revolutions per mile | 563 (350 per km) |
| Inch (flotation) equivalent | 36x15.00R24 |
Equivalent sizes on a 24" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 325/45R24 | 35.52" | -0.82% | -50 mm | 59.5 mph | calculate → |
| 315/50R24 | 36.40" | +1.65% | -60 mm | 61.0 mph | calculate → |
| 35x13.50R24 | 35.00" | -2.26% | -32 mm | 58.6 mph | calculate → |
| 315/45R24 | 35.16" | -1.81% | -60 mm | 58.9 mph | calculate → |
| 35x12.50R24 | 35.00" | -2.26% | -57 mm | 58.6 mph | calculate → |
| 275/50R24 | 34.83" | -2.75% | -100 mm | 58.4 mph | calculate → |
| 355/40R24 | 35.18" | -1.76% | -20 mm | 58.9 mph | calculate → |
| 35x15.50R24 | 35.00" | -2.26% | +19 mm | 58.6 mph | calculate → |
Try another size against 375/40R24
Questions
What size is 375/40R24 in inches?
375/40R24 is about 35.8" tall and 14.8" wide on a 24-inch rim — roughly a 36x15.00R24 in inch sizing.
What does 375/40R24 mean?
375 mm section width, sidewall 40% of the width (5.91"), radial construction, 24-inch rim.
What tire sizes are equivalent to 375/40R24?
On the same 24" rim, within 3% of the diameter: 325/45R24 (-0.82%), 315/50R24 (+1.65%), 355/40R24 (-1.76%), 315/45R24 (-1.81%), 35x12.50R24 (-2.26%), 35x13.50R24 (-2.26%).
How many revolutions per mile does a 375/40R24 tire make?
About 563 revolutions per mile (circumference 112.5").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.