235/50R18 in inches
A 235/50R18 tire stands 27.3 inches tall and is 9.3 inches wide. It fits an 18-inch wheel.
Tall
27.3″
692 mm
Wide
9.3″
235 mm
Wheel
18″
rim diameter
Cars that come with 235/50R18
Similar-height sizes
Within 3% of 235/50R18, so your speedometer stays close.
| Size | Height | vs 235/50R18 | |
|---|---|---|---|
| 235/55R17 | 27.2″ | −0.3%needs 17″ wheels | Compare |
| 235/45R19 | 27.3″ | +0.3%needs 19″ wheels | Compare |
| 225/60R17 | 27.6″ | +1.4%needs 17″ wheels | Compare |
| 215/70R15 | 26.9″ | −1.5%needs 15″ wheels | Compare |
| 245/45R19 | 27.7″ | +1.6%needs 19″ wheels | Compare |
| 225/55R18 | 27.7″ | +1.8% | Compare |
| 225/55R17 | 26.7″ | −1.9%needs 17″ wheels | Compare |
| 275/30R20 | 26.5″ | −2.8%needs 20″ wheels | Compare |
How 235/50R18 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 27.25 | 692 |
| Tread width | 9.25 | 235 |
| Sidewall height | 4.63 | 117 |
| Distance per turn (circumference) | 85.6 | 2175 |
| Turns per mile | 740 | |
The first number (235) is the width in millimetres. The second (50) means the sidewall is 50% as tall as the tire is wide. The last (18) is the wheel size in inches. More on reading a tire size.