305/35R24 tire size
305/35R24 is a metric size: 32.4" tall, 12.0" wide, on a 24" rim — about a 32.5x12.00R24. The sidewall is 4.2" and the tire turns 622 times per mile.
305/35R24 specs
| Overall diameter (height) | 32.41" · 823 mm |
|---|---|
| Section width | 12.01" · 305 mm |
| Sidewall height | 4.20" · 107 mm (35% of width) |
| Rim diameter | 24" |
| Circumference | 101.80" · 2.586 m |
| Revolutions per mile | 622 (387 per km) |
| Inch (flotation) equivalent | 32.5x12.00R24 |
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 | |
|---|---|---|---|---|---|
| 285/40R24 | 32.98" | +1.76% | -20 mm | 61.1 mph | calculate → |
| 295/35R24 | 32.13" | -0.85% | -10 mm | 59.5 mph | calculate → |
| 285/35R24 | 31.85" | -1.70% | -20 mm | 59.0 mph | calculate → |
| 295/40R24 | 33.29" | +2.73% | -10 mm | 61.6 mph | calculate → |
| 315/35R24 | 32.68" | +0.85% | +10 mm | 60.5 mph | calculate → |
| 335/30R24 | 31.91" | -1.52% | +30 mm | 59.1 mph | calculate → |
| 33x13.50R24 | 33.00" | +1.83% | +38 mm | 61.1 mph | calculate → |
| 405/25R24 | 31.97" | -1.34% | +100 mm | 59.2 mph | calculate → |
| 33x14.50R24 | 33.00" | +1.83% | +63 mm | 61.1 mph | calculate → |
Try another size against 305/35R24
Questions
What size is 305/35R24 in inches?
305/35R24 is about 32.4" tall and 12.0" wide on a 24-inch rim — roughly a 32.5x12.00R24 in inch sizing.
What does 305/35R24 mean?
305 mm section width, sidewall 35% of the width (4.20"), radial construction, 24-inch rim.
What tire sizes are equivalent to 305/35R24?
On the same 24" rim, within 3% of the diameter: 295/35R24 (-0.85%), 315/35R24 (+0.85%), 405/25R24 (-1.34%), 335/30R24 (-1.52%), 285/35R24 (-1.70%), 285/40R24 (+1.76%).
How many revolutions per mile does a 305/35R24 tire make?
About 622 revolutions per mile (circumference 101.8").
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.