245/65R17
A 245/65R17 tire is 29.54 inches tall and 9.6 inches wide, with a 6.27-inch sidewall, mounted on a 17-inch wheel.
Common fitments: Grand Cherokee, 4Runner
Overall diameter
29.54″
750 mm
Sidewall height
6.27″
159.3 mm
Tread width
245 mm
9.6″
Circumference
92.80″
7.7 ft
Revs per mile
683
424 per km
Wheel diameter
17″
aspect ratio 65%
Cross-section
- Overall diameter
- 29.54″
- Sidewall (each side)
- 6.27″
- Wheel
- 17″
245/65R17 in inches and millimeters
Every dimension of a 245/65R17, converted both ways. Calculated from the size code, accurate to about 1%.
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter (height) | 29.54″ | 750 mm |
| Tread width | 9.6″ | 245 mm |
| Sidewall height | 6.27″ | 159.3 mm |
| Wheel diameter | 17″ | 432 mm |
| Circumference | 92.80″ | 2357 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.
245/65R17 compared with other sizes
All 32 practical swaps involving 245/65R17 — diameter change, speedometer impact and a fit verdict for each.
245/65R17 → 265/50R19
265/50R19
Diameter +0.4% · This fits
245/65R17 → 235/75R15
235/75R15
Diameter +2.3% · This fits
245/65R17 → 265/70R15
265/70R15
Diameter −0.2% · This fits
245/65R17 → 265/75R15
265/75R15
Diameter −3.6% · Borderline. Check clearance first
245/65R17 → 225/75R16
225/75R16
Diameter +0.9% · This fits
245/65R17 → 245/70R16
245/70R16
Diameter +0.1% · This fits
245/65R17 → 215/65R17
215/65R17
Diameter +5.5% · Too big a jump
245/65R17 → 225/65R17
225/65R17
Diameter +3.6% · Borderline. Check clearance first
245/65R17 → 235/60R17
235/60R17
Diameter +5.1% · Too big a jump
245/65R17 → 235/65R17
235/65R17
Diameter +1.8% · This fits
235/65R17 → 245/65R17
235/65R17
Diameter −1.7% · This fits
255/65R17 → 245/65R17
255/65R17
Diameter +1.7% · This fits
245/70R17 → 245/65R17
245/70R17
Diameter +3.3% · Borderline. Check clearance first
225/65R17 → 245/65R17
225/65R17
Diameter −3.5% · Borderline. Check clearance first
265/65R17 → 245/65R17
265/65R17
Diameter +3.5% · Borderline. Check clearance first
245/70R16 → 245/65R17
245/70R16
Diameter −0.1% · This fits
245/60R18 → 245/65R17
245/60R18
Diameter +0.1% · This fits
245/55R19 → 245/65R17
245/55R19
Diameter +0.2% · This fits
235/60R17 → 245/65R17
235/60R17
Diameter −4.9% · Borderline. Check clearance first
255/70R17 → 245/65R17
255/70R17
Diameter +5.1% · Too big a jump
215/65R17 → 245/65R17
215/65R17
Diameter −5.2% · Too big a jump
275/65R17 → 245/65R17
275/65R17
Diameter +5.2% · Too big a jump
265/70R15 → 245/65R17
265/70R15
Diameter +0.2% · This fits
265/50R19 → 245/65R17
265/50R19
Diameter −0.4% · This fits
245/65R17 → 245/70R17
245/70R17
Diameter −3.2% · Borderline. Check clearance first
245/65R17 → 255/65R17
255/65R17
Diameter −1.7% · This fits
245/65R17 → 255/70R17
255/70R17
Diameter −4.9% · Borderline. Check clearance first
245/65R17 → 265/65R17
265/65R17
Diameter −3.3% · Borderline. Check clearance first
245/65R17 → 275/65R17
275/65R17
Diameter −4.9% · Borderline. Check clearance first
245/65R17 → 245/60R18
245/60R18
Diameter −0.1% · This fits
245/65R17 → 245/55R19
245/55R19
Diameter −0.2% · This fits
245/65R17 → 225/45R17
225/45R17
Diameter +18.3% · Too big a jump
Common questions
- What is 245/65R17 in inches?
- A 245/65R17 tire is 29.54 inches tall and 9.6 inches wide, with a 6.27-inch sidewall, mounted on a 17-inch wheel. In metric that is 750 mm tall and 245 mm wide. The circumference is 92.80 inches.
- How tall is a 245/65R17 tire?
- 29.54 inches, or 750 mm. That is the overall diameter, wheel included. It turns about 683 times per mile, which is what your speedometer counts.
- What do the numbers in 245/65R17 mean?
- 245 is the tread width in millimeters, 65 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 245 × 65% = 159.3 mm tall.