275/70R18 in inches
A 275/70R18 tire stands 33.2 inches tall and is 10.8 inches wide. It fits an 18-inch wheel. People usually call it a 33-inch tire.
Tall
33.2″
842 mm
Wide
10.8″
275 mm
Wheel
18″
rim diameter
Cars that come with 275/70R18
Similar-height sizes
Within 3% of 275/70R18, so your speedometer stays close.
| Size | Height | vs 275/70R18 | |
|---|---|---|---|
| 33x12.50R15 | 33.0″ | −0.5%needs 15″ wheels | Compare |
| 275/60R20 | 33.0″ | −0.5%needs 20″ wheels | Compare |
| 285/75R16 | 32.8″ | −1.0%needs 16″ wheels | Compare |
| 275/50R22 | 32.8″ | −1.0%needs 22″ wheels | Compare |
| 285/70R17 | 32.7″ | −1.4%needs 17″ wheels | Compare |
| 265/70R18 | 32.6″ | −1.7% | Compare |
| 285/65R18 | 32.6″ | −1.7% | Compare |
| 265/60R20 | 32.5″ | −1.9%needs 20″ wheels | Compare |
How 275/70R18 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 33.16 | 842 |
| Tread width | 10.83 | 275 |
| Sidewall height | 7.58 | 192 |
| Distance per turn (circumference) | 104.2 | 2646 |
| Turns per mile | 608 | |
The first number (275) is the width in millimetres. The second (70) means the sidewall is 70% as tall as the tire is wide. The last (18) is the wheel size in inches. More on reading a tire size.