225/45R17
Most common 17″ sizeA 225/45R17 tire is 24.97 inches tall and 8.9 inches wide, with a 3.99-inch sidewall, mounted on a 17-inch wheel.
Common fitments: Golf GTI, Civic, 3 Series, WRX
Overall diameter
24.97″
634 mm
Sidewall height
3.99″
101.3 mm
Tread width
225 mm
8.9″
Circumference
78.45″
6.5 ft
Revs per mile
808
502 per km
Wheel diameter
17″
aspect ratio 45%
Cross-section
- Overall diameter
- 24.97″
- Sidewall (each side)
- 3.99″
- Wheel
- 17″
225/45R17 in inches and millimeters
Every dimension of a 225/45R17, converted both ways. Calculated from the size code, accurate to about 1%.
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter (height) | 24.97″ | 634 mm |
| Tread width | 8.9″ | 225 mm |
| Sidewall height | 3.99″ | 101.3 mm |
| Wheel diameter | 17″ | 432 mm |
| Circumference | 78.45″ | 1993 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.
225/45R17 compared with other sizes
All 57 practical swaps involving 225/45R17 — diameter change, speedometer impact and a fit verdict for each.
225/45R17 → 185/60R15
185/60R15
Diameter +5.2% · Too big a jump
225/45R17 → 185/65R15
185/65R15
Diameter +2.1% · This fits
225/45R17 → 195/60R15
195/60R15
Diameter +3.1% · Borderline. Check clearance first
225/45R17 → 195/65R15
195/65R15
Diameter −0.0% · This fits
225/45R17 → 205/65R15
205/65R15
Diameter −2.0% · This fits
225/45R17 → 185/55R16
185/55R16
Diameter +4.0% · Borderline. Check clearance first
225/45R17 → 195/50R16
195/50R16
Diameter +5.5% · Too big a jump
225/45R17 → 195/55R16
195/55R16
Diameter +2.2% · This fits
225/45R17 → 205/55R16
205/55R16
Diameter +0.4% · This fits
225/45R17 → 205/50R17
205/50R17
Diameter −0.4% · This fits
225/45R17 → 215/45R17
215/45R17
Diameter +1.4% · This fits
225/45R17 → 215/50R17
215/50R17
Diameter −1.9% · This fits
225/45R17 → 215/55R17
215/55R17
Diameter −5.1% · Too big a jump
205/50R17 → 225/45R17
205/50R17
Diameter +0.4% · This fits
215/45R17 → 225/45R17
215/45R17
Diameter −1.4% · This fits
235/45R17 → 225/45R17
235/45R17
Diameter +1.4% · This fits
215/50R17 → 225/45R17
215/50R17
Diameter +2.0% · This fits
225/50R17 → 225/45R17
225/50R17
Diameter +3.5% · Borderline. Check clearance first
245/45R17 → 225/45R17
245/45R17
Diameter +2.8% · This fits
225/40R18 → 225/45R17
225/40R18
Diameter +0.5% · This fits
195/65R15 → 225/45R17
195/65R15
Diameter +0.0% · This fits
215/55R17 → 225/45R17
215/55R17
Diameter +5.4% · Too big a jump
205/55R16 → 225/45R17
205/55R16
Diameter −0.4% · This fits
215/55R16 → 225/45R17
215/55R16
Diameter +1.4% · This fits
235/40R18 → 225/45R17
235/40R18
Diameter +1.7% · This fits
185/65R15 → 225/45R17
185/65R15
Diameter −2.0% · This fits
205/65R15 → 225/45R17
205/65R15
Diameter +2.1% · This fits
225/45R17 → 225/50R17
225/50R17
Diameter −3.4% · Borderline. Check clearance first
225/45R17 → 235/45R17
235/45R17
Diameter −1.4% · This fits
225/45R17 → 245/45R17
245/45R17
Diameter −2.8% · This fits
225/45R17 → 225/40R18
225/40R18
Diameter −0.5% · This fits
225/45R17 → 235/40R18
235/40R18
Diameter −1.7% · This fits
225/55R17 → 225/45R17
225/55R17
Diameter +7.1% · Too big a jump
235/55R17 → 225/45R17
235/55R17
Diameter +8.8% · Too big a jump
265/70R17 → 225/45R17
265/70R17
Diameter +26.6% · Too big a jump
215/60R17 → 225/45R17
215/60R17
Diameter +8.7% · Too big a jump
215/65R17 → 225/45R17
215/65R17
Diameter +12.1% · Too big a jump
225/60R17 → 225/45R17
225/60R17
Diameter +10.6% · Too big a jump
225/65R17 → 225/45R17
225/65R17
Diameter +14.2% · Too big a jump
235/60R17 → 225/45R17
235/60R17
Diameter +12.5% · Too big a jump
235/65R17 → 225/45R17
235/65R17
Diameter +16.2% · Too big a jump
235/80R17 → 225/45R17
235/80R17
Diameter +27.4% · Too big a jump
245/65R17 → 225/45R17
245/65R17
Diameter +18.3% · Too big a jump
245/70R17 → 225/45R17
245/70R17
Diameter +22.2% · Too big a jump
245/75R17 → 225/45R17
245/75R17
Diameter +26.0% · Too big a jump
255/65R17 → 225/45R17
255/65R17
Diameter +20.3% · Too big a jump
255/70R17 → 225/45R17
255/70R17
Diameter +24.4% · Too big a jump
255/75R17 → 225/45R17
255/75R17
Diameter +28.4% · Too big a jump
265/65R17 → 225/45R17
265/65R17
Diameter +22.4% · Too big a jump
275/65R17 → 225/45R17
275/65R17
Diameter +24.4% · Too big a jump
275/70R17 → 225/45R17
275/70R17
Diameter +28.8% · Too big a jump
285/70R17 → 225/45R17
285/70R17
Diameter +31.0% · Too big a jump
305/65R17 → 225/45R17
305/65R17
Diameter +30.6% · Too big a jump
305/70R17 → 225/45R17
305/70R17
Diameter +35.4% · Too big a jump
315/70R17 → 225/45R17
315/70R17
Diameter +37.6% · Too big a jump
245/40R18 → 225/45R17
245/40R18
Diameter +3.0% · This fits
235/45R18 → 225/45R17
235/45R18
Diameter +5.4% · Too big a jump
Common questions
- What is 225/45R17 in inches?
- A 225/45R17 tire is 24.97 inches tall and 8.9 inches wide, with a 3.99-inch sidewall, mounted on a 17-inch wheel. In metric that is 634 mm tall and 225 mm wide. The circumference is 78.45 inches.
- How tall is a 225/45R17 tire?
- 24.97 inches, or 634 mm. That is the overall diameter, wheel included. It turns about 808 times per mile, which is what your speedometer counts.
- What do the numbers in 225/45R17 mean?
- 225 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 225 × 45% = 101.3 mm tall.