245/50R19 tire size

A 245/50R19 tire is 28.6 inches (728 mm) tall and 9.6 inches (245 mm) wide, and fits a 19-inch wheel. In inch sizing it is about a 28.6x9.6R19.

Overall diameter28.65in728 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
225/60R18	28.6″	−0.1%	8.9″	5.3″	18″
275/40R20	28.7″	+0.1%	10.8″	4.3″	20″
245/45R20	28.7″	+0.1%	9.6″	4.3″	20″
215/75R16	28.7″	+0.2%	8.5″	6.3″	16″
275/35R21	28.6″	−0.2%	10.8″	3.8″	21″
225/55R19	28.7″	+0.3%	8.9″	4.9″	19″
275/45R19	28.7″	+0.3%	10.8″	4.9″	19″
225/65R17	28.5″	−0.5%	8.9″	5.8″	17″
285/35R21	28.9″	+0.7%	11.2″	3.9″	21″
235/75R15	28.9″	+0.8%	9.3″	6.9″	15″
225/70R16	28.4″	−0.9%	8.9″	6.2″	16″
235/70R16	29.0″	+1.1%	9.3″	6.5″	16″

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

245: Section width: 245 mm (9.6 in) from sidewall to sidewall.
50: Aspect ratio: the sidewall is 50% as tall as the tire is wide, 123 mm (4.8 in).
R: Radial construction, used by almost every modern tire.
19: Fits a 19-inch wheel.

245/50R19 is about 28.6 inches tall and 9.6 inches wide, on a 19-inch wheel, roughly a 28.6x9.6R19 in inch sizing.

Nearly. It measures 28.6 inches, so it falls between 28 and 29 inches.

225/60R18, 275/40R20, 245/45R20 are the closest common sizes, all within 0.1% of its diameter, so the speedometer stays close to accurate.

255/55R19 is 4.9% taller, so at an indicated 60 mph you would really be doing 62.9 mph. Compare 245/50R19 and 255/55R19.

About 704 per mile (437 per km), from a 90.0-inch circumference.