265/75R18 tire size in inches
A 265/75R18 tire measures
33.6" tall × 10.4" wide
7.82" sidewall on a 18" wheel. 599 revolutions per mile.
265/75R18 means a tire 265 mm wide, with sidewalls 75% as tall as the tire is wide (199 mm), radial construction (R), for a 18 inch wheel.
265/75R18 specs
| Overall diameter (height) | 33.65 inches (855 mm) |
|---|---|
| Section width | 10.43 inches (265 mm) |
| Sidewall height | 7.82 inches (199 mm) |
| Wheel (rim) diameter | 18 inches |
| Circumference | 105.7 inches (2,685 mm) |
| Revolutions per mile | 599 |
| Revolutions per kilometer | 372 |
| Approximate rim width | 7.0" to 8.5" |
| In inches (flotation style) | 33.6x10.4R18 |
| Aspect ratio | 75% |
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 265/75R18 on a 18" wheel
These 18" sizes are within 3% of 265/75R18's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 305/65R18 | 33.61" | 12.01" | −0.1% | 59.9 mph | Compare |
| 285/70R18 | 33.71" | 11.22" | +0.2% | 60.1 mph | Compare |
| 335/60R18 | 33.83" | 13.19" | +0.5% | 60.3 mph | Compare |
| 325/60R18 | 33.35" | 12.80" | −0.9% | 59.5 mph | Compare |
| 315/65R18 | 34.12" | 12.40" | +1.4% | 60.8 mph | Compare |
| 275/70R18 | 33.16" | 10.83" | −1.5% | 59.1 mph | Compare |
| 295/65R18 | 33.10" | 11.61" | −1.6% | 59.0 mph | Compare |
| 255/75R18 | 33.06" | 10.04" | −1.8% | 58.9 mph | Compare |
| 275/75R18 | 34.24" | 10.83" | +1.8% | 61.1 mph | Compare |
| 295/70R18 | 34.26" | 11.61" | +1.8% | 61.1 mph | Compare |
| 33x12.50R18 | 33.00" | 12.50" | −1.9% | 58.8 mph | Compare |
| 315/60R18 | 32.88" | 12.40" | −2.3% | 58.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 315/55R20 | 20" | 33.64" | 0.0% | Compare |
| 295/50R22 | 22" | 33.61" | −0.1% | Compare |
| 305/40R24 | 24" | 33.61" | −0.1% | Compare |
| 285/65R19 | 19" | 33.59" | −0.2% | Compare |
| 345/50R20 | 20" | 33.58" | −0.2% | Compare |
| 355/45R21 | 21" | 33.58" | −0.2% | Compare |
| 265/85R16 | 16" | 33.74" | +0.3% | Compare |
| 265/65R20 | 20" | 33.56" | −0.3% | Compare |
| 295/55R21 | 21" | 33.78" | +0.4% | Compare |
| 355/35R24 | 24" | 33.78" | +0.4% | Compare |
| 325/45R22 | 22" | 33.52" | −0.4% | Compare |
| 335/55R19 | 19" | 33.51" | −0.4% | Compare |
One size up or down
Compare 265/75R18 with another size
Questions
- How tall is a 265/75R18 tire?
- A 265/75R18 tire is 33.6 inches tall (855 mm), calculated from the size. It is 10.4 inches wide with 7.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 265/75R18 mean?
- 265/75R18 means a tire 265 mm wide, with sidewalls 75% as tall as the tire is wide (199 mm), radial construction (R), for a 18 inch wheel.
- How many revolutions per mile does a 265/75R18 tire make?
- About 599 revolutions per mile, based on a circumference of 105.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 265/75R18 tire?
- Roughly 7.0" to 8.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 305/65R18 instead of 265/75R18?
- 305/65R18 is −0.04 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.