265/70R17 tire size

A 265/70R17 tire is 31.6 inches (803 mm) tall and 10.4 inches (265 mm) wide, and fits a 17-inch wheel. In inch sizing it is about a 31.6x10.4R17.

Overall diameter31.61in803 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
305/40R22	31.6″	0.0%	12.0″	4.8″	22″
265/65R18	31.6″	−0.1%	10.4″	6.8″	18″
265/75R16	31.6″	+0.1%	10.4″	7.8″	16″
245/75R17	31.5″	−0.4%	9.6″	7.2″	17″
275/55R20	31.9″	+1.0%	10.8″	6.0″	20″
285/50R20	31.2″	−1.2%	11.2″	5.6″	20″
32x11.50R15	32.0″	+1.2%	11.5″	8.5″	15″
255/70R18	32.1″	+1.4%	10.0″	7.0″	18″
255/75R17	32.1″	+1.4%	10.0″	7.5″	17″
275/65R18	32.1″	+1.5%	10.8″	7.0″	18″
285/45R22	32.1″	+1.6%	11.2″	5.0″	22″
275/65R17	31.1″	−1.7%	10.8″	7.0″	17″

Within 3% of the original diameter is the range most tire shops treat as a direct swap. Check load index and clearance too.

265: Section width: 265 mm (10.4 in) from sidewall to sidewall.
70: Aspect ratio: the sidewall is 70% as tall as the tire is wide, 186 mm (7.3 in).
R: Radial construction, used by almost every modern tire.
17: Fits a 17-inch wheel.

265/70R17 is about 31.6 inches tall and 10.4 inches wide, on a 17-inch wheel, roughly a 31.6x10.4R17 in inch sizing.

Nearly. It measures 31.6 inches, so it falls between 31 and 32 inches.

305/40R22, 265/65R18, 265/75R16 are the closest common sizes, all within 0.1% of its diameter, so the speedometer stays close to accurate.

285/70R17 is 3.5% taller, so at an indicated 60 mph you would really be doing 62.1 mph. Compare 265/70R17 and 285/70R17.

About 638 per mile (396 per km), from a 99.3-inch circumference.