275/40R19 tire size

A 275/40R19 tire is 27.7 inches (703 mm) tall and 10.8 inches (275 mm) wide, and fits a 19-inch wheel. In inch sizing it is about a 27.7x10.8R19.

Overall diameter27.66in703 mm

Drawn to scale from the nominal size.

Compare with another size Open in calculator Check wheel fitment

Shop 275/40R19 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
245/50R18	27.6″	−0.1%	9.6″	4.8″	18″
245/45R19	27.7″	+0.1%	9.6″	4.3″	19″
225/60R17	27.6″	−0.1%	8.9″	5.3″	17″
215/75R15	27.7″	+0.1%	8.5″	6.3″	15″
245/40R20	27.7″	+0.2%	9.6″	3.9″	20″
225/55R18	27.7″	+0.3%	8.9″	4.9″	18″
245/35R21	27.8″	+0.3%	9.6″	3.4″	21″
215/70R16	27.9″	+0.7%	8.5″	5.9″	16″
225/70R15	27.4″	−0.9%	8.9″	6.2″	15″
235/45R19	27.3″	−1.2%	9.3″	4.2″	19″
215/65R17	28.0″	+1.2%	8.5″	5.5″	17″
215/55R18	27.3″	−1.3%	8.5″	4.7″	18″

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

275: Section width: 275 mm (10.8 in) from sidewall to sidewall.
40: Aspect ratio: the sidewall is 40% as tall as the tire is wide, 110 mm (4.3 in).
R: Radial construction, used by almost every modern tire.
19: Fits a 19-inch wheel.

275/40R19 is about 27.7 inches tall and 10.8 inches wide, on a 19-inch wheel, roughly a 27.7x10.8R19 in inch sizing.

Nearly. It measures 27.7 inches, so it falls between 27 and 28 inches.

245/50R18, 245/45R19, 225/60R17 are the closest common sizes, all within 0.1% of its diameter, so the speedometer stays close to accurate.

245/50R19 is 3.6% taller, so at an indicated 60 mph you would really be doing 62.1 mph. Compare 275/40R19 and 245/50R19.

About 729 per mile (453 per km), from a 86.9-inch circumference.