285/65R18 in inches
A 285/65R18 tire stands 32.6 inches tall and is 11.2 inches wide. It fits an 18-inch wheel. People usually call it a 33-inch tire.
Tall
32.6″
828 mm
Wide
11.2″
285 mm
Wheel
18″
rim diameter
Cars that come with 285/65R18
Similar-height sizes
Within 3% of 285/65R18, so your speedometer stays close.
| Size | Height | vs 285/65R18 | |
|---|---|---|---|
| 265/70R18 | 32.6″ | +0.1% | Compare |
| 265/60R20 | 32.5″ | −0.2%needs 20″ wheels | Compare |
| 245/75R18 | 32.5″ | −0.4% | Compare |
| 285/70R17 | 32.7″ | +0.4%needs 17″ wheels | Compare |
| 265/50R22 | 32.4″ | −0.5%needs 22″ wheels | Compare |
| 275/50R22 | 32.8″ | +0.7%needs 22″ wheels | Compare |
| 285/75R16 | 32.8″ | +0.7%needs 16″ wheels | Compare |
| 275/60R20 | 33.0″ | +1.2%needs 20″ wheels | Compare |
How 285/65R18 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 32.59 | 828 |
| Tread width | 11.22 | 285 |
| Sidewall height | 7.29 | 185 |
| Distance per turn (circumference) | 102.4 | 2600 |
| Turns per mile | 619 | |
The first number (285) is the width in millimetres. The second (65) means the sidewall is 65% as tall as the tire is wide. The last (18) is the wheel size in inches. More on reading a tire size.