215/45R17
Common fitments: Corolla SE, Fiesta ST
Overall diameter
24.62″
625 mm
Sidewall height
3.81″
96.8 mm
Tread width
215 mm
8.5″
Circumference
77.34″
6.4 ft
Revs per mile
819
509 per km
Wheel diameter
17″
aspect ratio 45%
Cross-section
- Overall diameter
- 24.62″
- Sidewall (each side)
- 3.81″
- Wheel
- 17″
215/45R17 compared with other sizes
All 30 practical swaps involving 215/45R17 — diameter change, speedometer impact and a fit verdict for each.
215/45R17 → 175/65R15
175/65R15
Diameter +2.8% · Good fit
215/45R17 → 185/60R15
185/60R15
Diameter +3.7% · Marginal fit — proceed with care
215/45R17 → 185/65R15
185/65R15
Diameter +0.6% · Good fit
215/45R17 → 195/60R15
195/60R15
Diameter +1.7% · Good fit
215/45R17 → 195/65R15
195/65R15
Diameter −1.4% · Good fit
215/45R17 → 185/55R16
185/55R16
Diameter +2.5% · Good fit
215/45R17 → 195/50R16
195/50R16
Diameter +4.0% · Marginal fit — proceed with care
215/45R17 → 195/55R16
195/55R16
Diameter +0.7% · Good fit
215/45R17 → 205/55R16
205/55R16
Diameter −1.0% · Good fit
215/45R17 → 205/50R17
205/50R17
Diameter −1.8% · Good fit
225/45R17 → 215/45R17
225/45R17
Diameter +1.4% · Good fit
205/50R17 → 215/45R17
205/50R17
Diameter +1.8% · Good fit
215/50R17 → 215/45R17
215/50R17
Diameter +3.4% · Marginal fit — proceed with care
235/45R17 → 215/45R17
235/45R17
Diameter +2.9% · Good fit
245/45R17 → 215/45R17
245/45R17
Diameter +4.3% · Marginal fit — proceed with care
225/50R17 → 215/45R17
225/50R17
Diameter +5.0% · Not recommended
185/65R15 → 215/45R17
185/65R15
Diameter −0.6% · Good fit
195/55R16 → 215/45R17
195/55R16
Diameter −0.7% · Good fit
205/55R16 → 215/45R17
205/55R16
Diameter +1.1% · Good fit
195/65R15 → 215/45R17
195/65R15
Diameter +1.5% · Good fit
215/55R16 → 215/45R17
215/55R16
Diameter +2.8% · Good fit
195/60R15 → 215/45R17
195/60R15
Diameter −1.6% · Good fit
225/40R18 → 215/45R17
225/40R18
Diameter +1.9% · Good fit
185/55R16 → 215/45R17
185/55R16
Diameter −2.5% · Good fit
215/45R17 → 215/50R17
215/50R17
Diameter −3.3% · Marginal fit — proceed with care
215/45R17 → 225/45R17
225/45R17
Diameter −1.4% · Good fit
215/45R17 → 225/50R17
225/50R17
Diameter −4.8% · Marginal fit — proceed with care
215/45R17 → 235/45R17
235/45R17
Diameter −2.8% · Good fit
215/45R17 → 245/45R17
245/45R17
Diameter −4.1% · Marginal fit — proceed with care
215/45R17 → 225/40R18
225/40R18
Diameter −1.9% · Good fit
Common questions
- What is the overall diameter of a 215/45R17 tire?
- A 215/45R17 tire is about 24.62″ (625 mm) in overall diameter, with a sidewall height of 96.8 mm and a circumference of 77.34″.
- How many revolutions per mile does a 215/45R17 tire turn?
- A 215/45R17 turns roughly 819 revolutions per mile (509 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 215/45R17 mean?
- 215 is the tread width in millimetres, 45 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 215 × 45% = 96.8 mm tall.