235/45R18 in inches
A 235/45R18 tire stands 26.3 inches tall and is 9.3 inches wide. It fits an 18-inch wheel.
Tall
26.3″
669 mm
Wide
9.3″
235 mm
Wheel
18″
rim diameter
Cars that come with 235/45R18
- 2015 Honda AccordSport
- 2015–2018 Nissan Altima3.5 S, 3.5 SV, 3.5 SL…
- 2017–2023 Tesla Model 3Long Range RWD, Long Range AWD, Performance (without Performance Upgrade Package)…
- 2024–2026 Tesla Model 3RWD, Long Range AWD, Long Range RWD…
- 2018–2024 Toyota CamrySE, XLE, XLE V6…
- 2025–2026 Toyota CamrySE, SE AWD, XLE…
Similar-height sizes
Within 3% of 235/45R18, so your speedometer stays close.
| Size | Height | vs 235/45R18 | |
|---|---|---|---|
| 215/55R17 | 26.3″ | −0.1%needs 17″ wheels | Compare |
| 235/40R19 | 26.4″ | +0.3%needs 19″ wheels | Compare |
| 235/35R20 | 26.5″ | +0.6%needs 20″ wheels | Compare |
| 205/65R16 | 26.5″ | +0.6%needs 16″ wheels | Compare |
| 275/30R20 | 26.5″ | +0.6%needs 20″ wheels | Compare |
| 215/60R16 | 26.2″ | −0.6%needs 16″ wheels | Compare |
| 225/55R17 | 26.7″ | +1.6%needs 17″ wheels | Compare |
| 225/50R17 | 25.9″ | −1.8%needs 17″ wheels | Compare |
How 235/45R18 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 26.33 | 669 |
| Tread width | 9.25 | 235 |
| Sidewall height | 4.16 | 106 |
| Distance per turn (circumference) | 82.7 | 2101 |
| Turns per mile | 766 | |
The first number (235) is the width in millimetres. The second (45) means the sidewall is 45% as tall as the tire is wide. The last (18) is the wheel size in inches. More on reading a tire size.