235/55R17
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 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% · Good fit
235/55R17 → 235/60R16
235/60R16
Diameter +0.3% · Good fit
235/55R17 → 215/55R17
215/55R17
Diameter +3.3% · Marginal fit — proceed with care
235/55R17 → 225/50R17
225/50R17
Diameter +5.1% · Not recommended
235/55R17 → 225/55R17
225/55R17
Diameter +1.6% · Good fit
215/60R17 → 235/55R17
215/60R17
Diameter −0.1% · Good fit
225/55R17 → 235/55R17
225/55R17
Diameter −1.6% · Good fit
225/60R17 → 235/55R17
225/60R17
Diameter +1.7% · Good fit
235/60R17 → 235/55R17
235/60R17
Diameter +3.4% · Marginal fit — proceed with care
215/65R17 → 235/55R17
215/65R17
Diameter +3.0% · Marginal fit — proceed with care
215/55R17 → 235/55R17
215/55R17
Diameter −3.2% · Marginal fit — proceed with care
235/50R18 → 235/55R17
235/50R18
Diameter +0.3% · Good fit
235/60R16 → 235/55R17
235/60R16
Diameter −0.3% · Good fit
235/45R19 → 235/55R17
235/45R19
Diameter +0.6% · Good fit
225/50R17 → 235/55R17
225/50R17
Diameter −4.9% · Marginal fit — proceed with care
225/65R17 → 235/55R17
225/65R17
Diameter +4.9% · Marginal fit — proceed with care
255/45R18 → 235/55R17
255/45R18
Diameter −0.5% · Good fit
255/40R19 → 235/55R17
255/40R19
Diameter −0.5% · Good fit
215/65R16 → 235/55R17
215/65R16
Diameter −0.6% · Good fit
235/55R17 → 235/50R18
235/50R18
Diameter −0.3% · Good fit
235/55R17 → 255/40R19
255/40R19
Diameter +0.5% · Good fit
235/55R17 → 225/65R16
225/65R16
Diameter −1.2% · Good fit
235/55R17 → 215/60R17
215/60R17
Diameter +0.1% · Good fit
235/55R17 → 215/65R17
215/65R17
Diameter −3.0% · Good fit
235/55R17 → 225/60R17
225/60R17
Diameter −1.6% · Good fit
235/55R17 → 225/65R17
225/65R17
Diameter −4.7% · Marginal fit — proceed with care
235/55R17 → 235/60R17
235/60R17
Diameter −3.3% · Marginal fit — proceed with care
235/55R17 → 255/45R18
255/45R18
Diameter +0.5% · Good fit
235/55R17 → 235/45R19
235/45R19
Diameter −0.5% · Good fit
235/55R17 → 225/45R17
225/45R17
Diameter +8.8% · Not recommended
Common questions
- What is the overall diameter of a 235/55R17 tire?
- A 235/55R17 tire is about 27.18″ (690 mm) in overall diameter, with a sidewall height of 129.3 mm and a circumference of 85.38″.
- How many revolutions per mile does a 235/55R17 tire turn?
- A 235/55R17 turns roughly 742 revolutions per mile (461 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 235/55R17 mean?
- 235 is the tread width in millimetres, 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.