225/75R15 tire size

A 225/75R15 tire is 28.3 inches (719 mm) tall and 8.9 inches (225 mm) wide, and fits a 15-inch wheel. In inch sizing it is about a 28.3x8.9R15.

Overall diameter28.29in719 mm

Drawn to scale from the nominal size.

Compare with another size Open in calculator Check wheel fitment

Shop 225/75R15 tires

Opens the store’s own search

Prices and stock change often, so check a few stores. We don’t earn anything from these links.

Size	Diameter	Difference	Width	Sidewall	Wheel
235/50R19	28.3″	−0.1%	9.3″	4.6″	19″
235/45R20	28.3″	+0.1%	9.3″	4.2″	20″
235/55R18	28.2″	−0.4%	9.3″	5.1″	18″
225/70R16	28.4″	+0.4%	8.9″	6.2″	16″
235/60R17	28.1″	−0.7%	9.3″	5.6″	17″
225/65R17	28.5″	+0.8%	8.9″	5.8″	17″
255/45R19	28.0″	−0.9%	10.0″	4.5″	19″
255/40R20	28.0″	−0.9%	10.0″	4.0″	20″
235/65R16	28.0″	−0.9%	9.3″	6.0″	16″
255/30R22	28.0″	−0.9%	10.0″	3.0″	22″
215/65R17	28.0″	−1.0%	8.5″	5.5″	17″
275/35R21	28.6″	+1.0%	10.8″	3.8″	21″

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

225: Section width: 225 mm (8.9 in) from sidewall to sidewall.
75: Aspect ratio: the sidewall is 75% as tall as the tire is wide, 169 mm (6.6 in).
R: Radial construction, used by almost every modern tire.
15: Fits a 15-inch wheel.

225/75R15 is about 28.3 inches tall and 8.9 inches wide, on a 15-inch wheel, roughly a 28.3x8.9R15 in inch sizing.

Yes. At 28.3 inches it is sold and fitted as a 28-inch tire.

235/50R19, 235/45R20, 235/55R18 are the closest common sizes, all within 0.4% of its diameter, so the speedometer stays close to accurate.

30x9.50R15 is 6.1% taller, so at an indicated 60 mph you would really be doing 63.6 mph. Compare 225/75R15 and 30x9.50R15.

About 713 per mile (443 per km), from a 88.9-inch circumference.