335/65R18 tire size in inches
A 335/65R18 tire measures
35.1" tall × 13.2" wide
8.57" sidewall on a 18" wheel. 574 revolutions per mile.
335/65R18 means a tire 335 mm wide, with sidewalls 65% as tall as the tire is wide (218 mm), radial construction (R), for a 18 inch wheel.
335/65R18 specs
| Overall diameter (height) | 35.15 inches (893 mm) |
|---|---|
| Section width | 13.19 inches (335 mm) |
| Sidewall height | 8.57 inches (218 mm) |
| Wheel (rim) diameter | 18 inches |
| Circumference | 110.4 inches (2,804 mm) |
| Revolutions per mile | 574 |
| Revolutions per kilometer | 357 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 35.1x13.2R18 |
| Aspect ratio | 65% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 335/65R18 on a 18" wheel
These 18" sizes are within 3% of 335/65R18's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 35x12.50R18 | 35.00" | 12.50" | −0.4% | 59.8 mph | Compare |
| 315/70R18 | 35.36" | 12.40" | +0.6% | 60.4 mph | Compare |
| 295/75R18 | 35.42" | 11.61" | +0.8% | 60.5 mph | Compare |
| 285/75R18 | 34.83" | 11.22" | −0.9% | 59.5 mph | Compare |
| 305/70R18 | 34.81" | 12.01" | −1.0% | 59.4 mph | Compare |
| 325/65R18 | 34.63" | 12.80" | −1.5% | 59.1 mph | Compare |
| 325/70R18 | 35.91" | 12.80" | +2.2% | 61.3 mph | Compare |
| 295/70R18 | 34.26" | 11.61" | −2.5% | 58.5 mph | Compare |
| 275/75R18 | 34.24" | 10.83" | −2.6% | 58.5 mph | Compare |
| 315/65R18 | 34.12" | 12.40" | −2.9% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 315/65R19 | 19" | 35.12" | −0.1% | Compare |
| 355/40R24 | 24" | 35.18" | +0.1% | Compare |
| 335/50R22 | 22" | 35.19" | +0.1% | Compare |
| 295/65R20 | 20" | 35.10" | −0.1% | Compare |
| 305/55R22 | 22" | 35.21" | +0.2% | Compare |
| 285/85R16 | 16" | 35.07" | −0.2% | Compare |
| 325/55R21 | 21" | 35.07" | −0.2% | Compare |
| 305/75R17 | 17" | 35.01" | −0.4% | Compare |
| 35x12.50R15 | 15" | 35.00" | −0.4% | Compare |
| 35x12.50R17 | 17" | 35.00" | −0.4% | Compare |
| 35x12.50R20 | 20" | 35.00" | −0.4% | Compare |
| 35x12.50R22 | 22" | 35.00" | −0.4% | Compare |
One size up or down
Compare 335/65R18 with another size
Questions
- How tall is a 335/65R18 tire?
- A 335/65R18 tire is 35.1 inches tall (893 mm), calculated from the size. It is 13.2 inches wide with 8.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 335/65R18 mean?
- 335/65R18 means a tire 335 mm wide, with sidewalls 65% as tall as the tire is wide (218 mm), radial construction (R), for a 18 inch wheel.
- How many revolutions per mile does a 335/65R18 tire make?
- About 574 revolutions per mile, based on a circumference of 110.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 335/65R18 tire?
- Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 35x12.50R18 instead of 335/65R18?
- 35x12.50R18 is −0.15 inches (−0.4%) in overall diameter, so at an indicated 60 mph you would be doing 59.8 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.