235/55R17
A 235/55R17 tire is 27.18 inches tall and 9.3 inches wide, with a 5.09-inch sidewall, mounted on a 17-inch wheel.
Common fitments: CR-V, Tucson, Explorer
Overall diameter
27.18″
690 mm
Sidewall height
5.09″
129.3 mm
Tread width
235 mm
9.3″
Circumference
85.38″
7.1 ft
Revs per mile
742
461 per km
Wheel diameter
17″
aspect ratio 55%
Cross-section
- Overall diameter
- 27.18″
- Sidewall (each side)
- 5.09″
- Wheel
- 17″
235/55R17 in inches and millimeters
Every dimension of a 235/55R17, converted both ways. Calculated from the size code, accurate to about 1%.
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter (height) | 27.18″ | 690 mm |
| Tread width | 9.3″ | 235 mm |
| Sidewall height | 5.09″ | 129.3 mm |
| Wheel diameter | 17″ | 432 mm |
| Circumference | 85.38″ | 2169 mm |
Nominal dimensions from the size code. A real tire varies by a few millimeters between manufacturers, and a loaded tire sits slightly shorter than its free diameter.
235/55R17 compared with other sizes
All 30 practical swaps involving 235/55R17 — diameter change, speedometer impact and a fit verdict for each.
235/55R17 → 215/65R16
215/65R16
Diameter +0.6% · This fits
235/55R17 → 235/60R16
235/60R16
Diameter +0.3% · This fits
235/55R17 → 215/55R17
215/55R17
Diameter +3.3% · Borderline. Check clearance first
235/55R17 → 225/50R17
225/50R17
Diameter +5.1% · Too big a jump
235/55R17 → 225/55R17
225/55R17
Diameter +1.6% · This fits
215/60R17 → 235/55R17
215/60R17
Diameter −0.1% · This fits
225/55R17 → 235/55R17
225/55R17
Diameter −1.6% · This fits
225/60R17 → 235/55R17
225/60R17
Diameter +1.7% · This fits
235/60R17 → 235/55R17
235/60R17
Diameter +3.4% · Borderline. Check clearance first
215/65R17 → 235/55R17
215/65R17
Diameter +3.0% · Borderline. Check clearance first
215/55R17 → 235/55R17
215/55R17
Diameter −3.2% · Borderline. Check clearance first
235/50R18 → 235/55R17
235/50R18
Diameter +0.3% · This fits
235/60R16 → 235/55R17
235/60R16
Diameter −0.3% · This fits
235/45R19 → 235/55R17
235/45R19
Diameter +0.6% · This fits
225/50R17 → 235/55R17
225/50R17
Diameter −4.9% · Borderline. Check clearance first
225/65R17 → 235/55R17
225/65R17
Diameter +4.9% · Borderline. Check clearance first
255/45R18 → 235/55R17
255/45R18
Diameter −0.5% · This fits
255/40R19 → 235/55R17
255/40R19
Diameter −0.5% · This fits
215/65R16 → 235/55R17
215/65R16
Diameter −0.6% · This fits
235/55R17 → 235/50R18
235/50R18
Diameter −0.3% · This fits
235/55R17 → 255/40R19
255/40R19
Diameter +0.5% · This fits
235/55R17 → 225/65R16
225/65R16
Diameter −1.2% · This fits
235/55R17 → 215/60R17
215/60R17
Diameter +0.1% · This fits
235/55R17 → 215/65R17
215/65R17
Diameter −3.0% · This fits
235/55R17 → 225/60R17
225/60R17
Diameter −1.6% · This fits
235/55R17 → 225/65R17
225/65R17
Diameter −4.7% · Borderline. Check clearance first
235/55R17 → 235/60R17
235/60R17
Diameter −3.3% · Borderline. Check clearance first
235/55R17 → 255/45R18
255/45R18
Diameter +0.5% · This fits
235/55R17 → 235/45R19
235/45R19
Diameter −0.5% · This fits
235/55R17 → 225/45R17
225/45R17
Diameter +8.8% · Too big a jump
Common questions
- What is 235/55R17 in inches?
- A 235/55R17 tire is 27.18 inches tall and 9.3 inches wide, with a 5.09-inch sidewall, mounted on a 17-inch wheel. In metric that is 690 mm tall and 235 mm wide. The circumference is 85.38 inches.
- How tall is a 235/55R17 tire?
- 27.18 inches, or 690 mm. That is the overall diameter, wheel included. It turns about 742 times per mile, which is what your speedometer counts.
- What do the numbers in 235/55R17 mean?
- 235 is the tread width in millimeters, 55 is the aspect ratio — the sidewall height as a percentage of the tread width — and 17 is the wheel diameter in inches. So the sidewall is 235 × 55% = 129.3 mm tall.