275/65R20 tire size

A 275/65R20 tire is 34.1 inches (866 mm) tall and 10.8 inches (275 mm) wide, and fits a 20-inch wheel. In inch sizing it is about a 34.1x10.8R20.

Overall diameter34.07in866 mm

Drawn to scale from the nominal size.

Compare with another size Open in calculator Check wheel fitment

Shop 275/65R20 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
295/60R20	33.9″	−0.4%	11.6″	7.0″	20″
295/70R18	34.3″	+0.5%	11.6″	8.1″	18″
285/75R17	33.8″	−0.7%	11.2″	8.4″	17″
315/70R17	34.4″	+0.8%	12.4″	8.7″	17″
315/75R16	34.6″	+1.5%	12.4″	9.3″	16″
285/75R18	34.8″	+2.2%	11.2″	8.4″	18″
305/55R20	33.2″	−2.5%	12.0″	6.6″	20″
275/70R18	33.2″	−2.7%	10.8″	7.6″	18″
35x12.50R15	35.0″	+2.7%	12.5″	10.0″	15″
35x12.50R17	35.0″	+2.7%	12.5″	9.0″	17″
35x12.50R18	35.0″	+2.7%	12.5″	8.5″	18″
35x12.50R20	35.0″	+2.7%	12.5″	7.5″	20″

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.
65: Aspect ratio: the sidewall is 65% as tall as the tire is wide, 179 mm (7.0 in).
R: Radial construction, used by almost every modern tire.
20: Fits a 20-inch wheel.

275/65R20 is about 34.1 inches tall and 10.8 inches wide, on a 20-inch wheel, roughly a 34.1x10.8R20 in inch sizing.

Yes. At 34.1 inches it is sold and fitted as a 34-inch tire.

295/60R20, 295/70R18, 285/75R17 are the closest common sizes, all within 0.7% of its diameter, so the speedometer stays close to accurate.

37x12.50R20 is 8.6% taller, so at an indicated 60 mph you would really be doing 65.2 mph. Compare 275/65R20 and 37x12.50R20.

About 592 per mile (368 per km), from a 107.0-inch circumference.