245/65R17
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 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% · Good fit
245/65R17 → 235/75R15
235/75R15
Diameter +2.3% · Good fit
245/65R17 → 265/70R15
265/70R15
Diameter −0.2% · Good fit
245/65R17 → 265/75R15
265/75R15
Diameter −3.6% · Marginal fit — proceed with care
245/65R17 → 225/75R16
225/75R16
Diameter +0.9% · Good fit
245/65R17 → 245/70R16
245/70R16
Diameter +0.1% · Good fit
245/65R17 → 215/65R17
215/65R17
Diameter +5.5% · Not recommended
245/65R17 → 225/65R17
225/65R17
Diameter +3.6% · Marginal fit — proceed with care
245/65R17 → 235/60R17
235/60R17
Diameter +5.1% · Not recommended
245/65R17 → 235/65R17
235/65R17
Diameter +1.8% · Good fit
235/65R17 → 245/65R17
235/65R17
Diameter −1.7% · Good fit
255/65R17 → 245/65R17
255/65R17
Diameter +1.7% · Good fit
245/70R17 → 245/65R17
245/70R17
Diameter +3.3% · Marginal fit — proceed with care
225/65R17 → 245/65R17
225/65R17
Diameter −3.5% · Marginal fit — proceed with care
265/65R17 → 245/65R17
265/65R17
Diameter +3.5% · Marginal fit — proceed with care
245/70R16 → 245/65R17
245/70R16
Diameter −0.1% · Good fit
245/60R18 → 245/65R17
245/60R18
Diameter +0.1% · Good fit
245/55R19 → 245/65R17
245/55R19
Diameter +0.2% · Good fit
235/60R17 → 245/65R17
235/60R17
Diameter −4.9% · Marginal fit — proceed with care
255/70R17 → 245/65R17
255/70R17
Diameter +5.1% · Not recommended
215/65R17 → 245/65R17
215/65R17
Diameter −5.2% · Not recommended
275/65R17 → 245/65R17
275/65R17
Diameter +5.2% · Not recommended
265/70R15 → 245/65R17
265/70R15
Diameter +0.2% · Good fit
265/50R19 → 245/65R17
265/50R19
Diameter −0.4% · Good fit
245/65R17 → 245/70R17
245/70R17
Diameter −3.2% · Marginal fit — proceed with care
245/65R17 → 255/65R17
255/65R17
Diameter −1.7% · Good fit
245/65R17 → 255/70R17
255/70R17
Diameter −4.9% · Marginal fit — proceed with care
245/65R17 → 265/65R17
265/65R17
Diameter −3.3% · Marginal fit — proceed with care
245/65R17 → 275/65R17
275/65R17
Diameter −4.9% · Marginal fit — proceed with care
245/65R17 → 245/60R18
245/60R18
Diameter −0.1% · Good fit
245/65R17 → 245/55R19
245/55R19
Diameter −0.2% · Good fit
245/65R17 → 225/45R17
225/45R17
Diameter +18.3% · Not recommended
Common questions
- What is the overall diameter of a 245/65R17 tire?
- A 245/65R17 tire is about 29.54″ (750 mm) in overall diameter, with a sidewall height of 159.3 mm and a circumference of 92.80″.
- How many revolutions per mile does a 245/65R17 tire turn?
- A 245/65R17 turns roughly 683 revolutions per mile (424 per kilometre). This is the number that determines speedometer and odometer accuracy when you change tire size.
- What do the numbers in 245/65R17 mean?
- 245 is the tread width in millimetres, 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.