TireSizeCheck

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% · Fitment not determined

245/65R17 → 235/75R15

235/75R15

Diameter +2.3% · Fitment not determined

245/65R17 → 265/70R15

265/70R15

Diameter −0.2% · Fitment not determined

245/65R17 → 265/75R15

265/75R15

Diameter −3.6% · Fitment not determined

245/65R17 → 225/75R16

225/75R16

Diameter +0.9% · Fitment not determined

245/65R17 → 245/70R16

245/70R16

Diameter +0.1% · Fitment not determined

245/65R17 → 215/65R17

215/65R17

Diameter +5.5% · Fitment not determined

245/65R17 → 225/65R17

225/65R17

Diameter +3.6% · Fitment not determined

245/65R17 → 235/60R17

235/60R17

Diameter +5.1% · Fitment not determined

245/65R17 → 235/65R17

235/65R17

Diameter +1.8% · Fitment not determined

235/65R17 → 245/65R17

235/65R17

Diameter −1.7% · Fitment not determined

255/65R17 → 245/65R17

255/65R17

Diameter +1.7% · Fitment not determined

245/70R17 → 245/65R17

245/70R17

Diameter +3.3% · Fitment not determined

225/65R17 → 245/65R17

225/65R17

Diameter −3.5% · Fitment not determined

265/65R17 → 245/65R17

265/65R17

Diameter +3.5% · Fitment not determined

245/70R16 → 245/65R17

245/70R16

Diameter −0.1% · Fitment not determined

245/60R18 → 245/65R17

245/60R18

Diameter +0.1% · Fitment not determined

245/55R19 → 245/65R17

245/55R19

Diameter +0.2% · Fitment not determined

235/60R17 → 245/65R17

235/60R17

Diameter −4.9% · Fitment not determined

255/70R17 → 245/65R17

255/70R17

Diameter +5.1% · Fitment not determined

215/65R17 → 245/65R17

215/65R17

Diameter −5.2% · Fitment not determined

275/65R17 → 245/65R17

275/65R17

Diameter +5.2% · Fitment not determined

265/70R15 → 245/65R17

265/70R15

Diameter +0.2% · Fitment not determined

265/50R19 → 245/65R17

265/50R19

Diameter −0.4% · Fitment not determined

245/65R17 → 245/70R17

245/70R17

Diameter −3.2% · Fitment not determined

245/65R17 → 255/65R17

255/65R17

Diameter −1.7% · Fitment not determined

245/65R17 → 255/70R17

255/70R17

Diameter −4.9% · Fitment not determined

245/65R17 → 265/65R17

265/65R17

Diameter −3.3% · Fitment not determined

245/65R17 → 275/65R17

275/65R17

Diameter −4.9% · Fitment not determined

245/65R17 → 245/60R18

245/60R18

Diameter −0.1% · Fitment not determined

245/65R17 → 245/55R19

245/55R19

Diameter −0.2% · Fitment not determined

245/65R17 → 225/45R17

225/45R17

Diameter +18.3% · Fitment not determined

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.