215/45R17
A 215/45R17 tire is 24.62 inches tall and 8.5 inches wide, with a 3.81-inch sidewall, mounted on a 17-inch wheel.
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 in inches and millimeters
Every dimension of a 215/45R17, converted both ways. Calculated from the size code, accurate to about 1%.
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter (height) | 24.62″ | 625 mm |
| Tread width | 8.5″ | 215 mm |
| Sidewall height | 3.81″ | 96.8 mm |
| Wheel diameter | 17″ | 432 mm |
| Circumference | 77.34″ | 1964 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.
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% · This fits
215/45R17 → 185/60R15
185/60R15
Diameter +3.7% · Borderline. Check clearance first
215/45R17 → 185/65R15
185/65R15
Diameter +0.6% · This fits
215/45R17 → 195/60R15
195/60R15
Diameter +1.7% · This fits
215/45R17 → 195/65R15
195/65R15
Diameter −1.4% · This fits
215/45R17 → 185/55R16
185/55R16
Diameter +2.5% · This fits
215/45R17 → 195/50R16
195/50R16
Diameter +4.0% · Borderline. Check clearance first
215/45R17 → 195/55R16
195/55R16
Diameter +0.7% · This fits
215/45R17 → 205/55R16
205/55R16
Diameter −1.0% · This fits
215/45R17 → 205/50R17
205/50R17
Diameter −1.8% · This fits
225/45R17 → 215/45R17
225/45R17
Diameter +1.4% · This fits
205/50R17 → 215/45R17
205/50R17
Diameter +1.8% · This fits
215/50R17 → 215/45R17
215/50R17
Diameter +3.4% · Borderline. Check clearance first
235/45R17 → 215/45R17
235/45R17
Diameter +2.9% · This fits
245/45R17 → 215/45R17
245/45R17
Diameter +4.3% · Borderline. Check clearance first
225/50R17 → 215/45R17
225/50R17
Diameter +5.0% · Too big a jump
185/65R15 → 215/45R17
185/65R15
Diameter −0.6% · This fits
195/55R16 → 215/45R17
195/55R16
Diameter −0.7% · This fits
205/55R16 → 215/45R17
205/55R16
Diameter +1.1% · This fits
195/65R15 → 215/45R17
195/65R15
Diameter +1.5% · This fits
215/55R16 → 215/45R17
215/55R16
Diameter +2.8% · This fits
195/60R15 → 215/45R17
195/60R15
Diameter −1.6% · This fits
225/40R18 → 215/45R17
225/40R18
Diameter +1.9% · This fits
185/55R16 → 215/45R17
185/55R16
Diameter −2.5% · This fits
215/45R17 → 215/50R17
215/50R17
Diameter −3.3% · Borderline. Check clearance first
215/45R17 → 225/45R17
225/45R17
Diameter −1.4% · This fits
215/45R17 → 225/50R17
225/50R17
Diameter −4.8% · Borderline. Check clearance first
215/45R17 → 235/45R17
235/45R17
Diameter −2.8% · This fits
215/45R17 → 245/45R17
245/45R17
Diameter −4.1% · Borderline. Check clearance first
215/45R17 → 225/40R18
225/40R18
Diameter −1.9% · This fits
Common questions
- What is 215/45R17 in inches?
- A 215/45R17 tire is 24.62 inches tall and 8.5 inches wide, with a 3.81-inch sidewall, mounted on a 17-inch wheel. In metric that is 625 mm tall and 215 mm wide. The circumference is 77.34 inches.
- How tall is a 215/45R17 tire?
- 24.62 inches, or 625 mm. That is the overall diameter, wheel included. It turns about 819 times per mile, which is what your speedometer counts.
- What do the numbers in 215/45R17 mean?
- 215 is the tread width in millimeters, 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.