225/40R19 tire size

A 225/40R19 tire is 26.1 inches (663 mm) tall and 8.9 inches (225 mm) wide, and fits a 19-inch wheel. In inch sizing it is about a 26.1x8.9R19.

Overall diameter26.09in663 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
205/75R14	26.1″	+0.1%	8.1″	6.1″	14″
255/40R18	26.0″	−0.2%	10.0″	4.0″	18″
255/35R19	26.0″	−0.2%	10.0″	3.5″	19″
215/60R16	26.2″	+0.3%	8.5″	5.1″	16″
215/65R15	26.0″	−0.3%	8.5″	5.5″	15″
225/45R18	26.0″	−0.4%	8.9″	4.0″	18″
225/35R20	26.2″	+0.4%	8.9″	3.1″	20″
205/55R17	25.9″	−0.8%	8.1″	4.4″	17″
205/70R15	26.3″	+0.8%	8.1″	5.6″	15″
215/55R17	26.3″	+0.9%	8.5″	4.7″	17″
225/50R17	25.9″	−0.9%	8.9″	4.4″	17″
235/45R18	26.3″	+0.9%	9.3″	4.2″	18″

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.
40: Aspect ratio: the sidewall is 40% as tall as the tire is wide, 90 mm (3.5 in).
R: Radial construction, used by almost every modern tire.
19: Fits a 19-inch wheel.

225/40R19 is about 26.1 inches tall and 8.9 inches wide, on a 19-inch wheel, roughly a 26.1x8.9R19 in inch sizing.

Yes. At 26.1 inches it is sold and fitted as a 26-inch tire.

205/75R14, 255/40R18, 255/35R19 are the closest common sizes, all within 0.2% of its diameter, so the speedometer stays close to accurate.

225/45R19 is 3.4% taller, so at an indicated 60 mph you would really be doing 62.0 mph. Compare 225/40R19 and 225/45R19.

About 773 per mile (480 per km), from a 82.0-inch circumference.