355/40R24 tire size
355/40R24 is a metric size: 35.2" tall, 14.0" wide, on a 24" rim — about a 35x14.00R24. The sidewall is 5.6" and the tire turns 573 times per mile.
355/40R24 specs
| Overall diameter (height) | 35.18" · 894 mm |
|---|---|
| Section width | 13.98" · 355 mm |
| Sidewall height | 5.59" · 142 mm (40% of width) |
| Rim diameter | 24" |
| Circumference | 110.52" · 2.807 m |
| Revolutions per mile | 573 (356 per km) |
| Inch (flotation) equivalent | 35x14.00R24 |
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" | +0.95% | -30 mm | 60.6 mph | calculate → |
| 35x13.50R24 | 35.00" | -0.51% | -12 mm | 59.7 mph | calculate → |
| 375/40R24 | 35.81" | +1.79% | +20 mm | 61.1 mph | calculate → |
| 315/45R24 | 35.16" | -0.06% | -40 mm | 60.0 mph | calculate → |
| 35x12.50R24 | 35.00" | -0.51% | -37 mm | 59.7 mph | calculate → |
| 275/50R24 | 34.83" | -1.01% | -80 mm | 59.4 mph | calculate → |
| 35x15.50R24 | 35.00" | -0.51% | +39 mm | 59.7 mph | calculate → |
| 385/35R24 | 34.61" | -1.62% | +30 mm | 59.0 mph | calculate → |
| 295/45R24 | 34.45" | -2.07% | -60 mm | 58.8 mph | calculate → |
Try another size against 355/40R24
Questions
What size is 355/40R24 in inches?
355/40R24 is about 35.2" tall and 14.0" wide on a 24-inch rim — roughly a 35x14.00R24 in inch sizing.
What does 355/40R24 mean?
355 mm section width, sidewall 40% of the width (5.59"), radial construction, 24-inch rim.
What tire sizes are equivalent to 355/40R24?
On the same 24" rim, within 3% of the diameter: 315/45R24 (-0.06%), 35x12.50R24 (-0.51%), 35x13.50R24 (-0.51%), 35x15.50R24 (-0.51%), 325/45R24 (+0.95%), 275/50R24 (-1.01%).
How many revolutions per mile does a 355/40R24 tire make?
About 573 revolutions per mile (circumference 110.5").
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.