225/55R17
Common fitments: Outback, Forester, Escape
Overall diameter
26.74″
679 mm
Sidewall height
4.87″
123.8 mm
Tread width
225 mm
8.9″
Circumference
84.02″
7.0 ft
Revs per mile
754
469 per km
Wheel diameter
17″
aspect ratio 55%
Cross-section
- Overall diameter
- 26.74″
- Sidewall (each side)
- 4.87″
- Wheel
- 17″
225/55R17 compared with other sizes
All 32 practical swaps involving 225/55R17 — diameter change, speedometer impact and a fit verdict for each.
225/55R17 → 215/65R16
215/65R16
Diameter −1.0% · Good fit
225/55R17 → 225/60R16
225/60R16
Diameter +0.4% · Good fit
225/55R17 → 235/60R16
235/60R16
Diameter −1.3% · Good fit
225/55R17 → 215/50R17
215/50R17
Diameter +5.0% · Not recommended
225/55R17 → 215/55R17
215/55R17
Diameter +1.6% · Good fit
225/55R17 → 225/50R17
225/50R17
Diameter +3.4% · Marginal fit — proceed with care
215/60R17 → 225/55R17
215/60R17
Diameter +1.5% · Good fit
215/55R17 → 225/55R17
215/55R17
Diameter −1.6% · Good fit
235/55R17 → 225/55R17
235/55R17
Diameter +1.6% · Good fit
225/60R17 → 225/55R17
225/60R17
Diameter +3.3% · Marginal fit — proceed with care
225/50R17 → 225/55R17
225/50R17
Diameter −3.3% · Marginal fit — proceed with care
245/45R17 → 225/55R17
245/45R17
Diameter −4.0% · Marginal fit — proceed with care
225/60R16 → 225/55R17
225/60R16
Diameter −0.4% · Good fit
215/65R17 → 225/55R17
215/65R17
Diameter +4.7% · Marginal fit — proceed with care
215/50R17 → 225/55R17
215/50R17
Diameter −4.8% · Marginal fit — proceed with care
235/60R17 → 225/55R17
235/60R17
Diameter +5.1% · Not recommended
245/40R19 → 225/55R17
245/40R19
Diameter −0.1% · Good fit
245/45R18 → 225/55R17
245/45R18
Diameter −0.2% · Good fit
235/45R17 → 225/55R17
235/45R17
Diameter −5.3% · Not recommended
205/65R16 → 225/55R17
205/65R16
Diameter −0.9% · Good fit
225/55R17 → 235/55R17
235/55R17
Diameter −1.6% · Good fit
225/55R17 → 245/45R17
245/45R17
Diameter +4.1% · Marginal fit — proceed with care
225/55R17 → 245/45R18
245/45R18
Diameter +0.2% · Good fit
225/55R17 → 235/40R19
235/40R19
Diameter +1.3% · Good fit
225/55R17 → 245/40R19
245/40R19
Diameter +0.1% · Good fit
225/55R17 → 205/65R16
205/65R16
Diameter +1.0% · Good fit
225/55R17 → 225/65R16
225/65R16
Diameter −2.8% · Good fit
225/55R17 → 215/60R17
215/60R17
Diameter −1.5% · Good fit
225/55R17 → 215/65R17
215/65R17
Diameter −4.5% · Marginal fit — proceed with care
225/55R17 → 225/60R17
225/60R17
Diameter −3.2% · Marginal fit — proceed with care
225/55R17 → 235/60R17
235/60R17
Diameter −4.8% · Marginal fit — proceed with care
225/55R17 → 225/45R17
225/45R17
Diameter +7.1% · Not recommended
Common questions
- What is the overall diameter of a 225/55R17 tire?
- A 225/55R17 tire is about 26.74″ (679 mm) in overall diameter, with a sidewall height of 123.8 mm and a circumference of 84.02″.
- How many revolutions per mile does a 225/55R17 tire turn?
- A 225/55R17 turns roughly 754 revolutions per mile (469 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 225/55R17 mean?
- 225 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 225 × 55% = 123.8 mm tall.