245/50R20 tire size

A 245/50R20 tire is 29.6 inches (753 mm) tall and 9.6 inches (245 mm) wide, and fits a 20-inch wheel. In inch sizing it is about a 29.6x9.6R20.

Overall diameter29.65in753 mm

Drawn to scale from the nominal size.

Compare with another size Open in calculator Check wheel fitment

Shop 245/50R20 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
245/60R18	29.6″	−0.2%	9.6″	5.8″	18″
275/45R20	29.7″	+0.3%	10.8″	4.9″	20″
245/65R17	29.5″	−0.4%	9.6″	6.3″	17″
245/70R16	29.5″	−0.5%	9.6″	6.8″	16″
285/35R22	29.9″	+0.7%	11.2″	3.9″	22″
265/50R19	29.4″	−0.7%	10.4″	5.2″	19″
235/75R16	29.9″	+0.8%	9.3″	6.9″	16″
275/25R24	29.4″	−0.8%	10.8″	2.7″	24″
265/45R20	29.4″	−0.9%	10.4″	4.7″	20″
265/40R21	29.3″	−1.0%	10.4″	4.2″	21″
235/70R17	30.0″	+1.0%	9.3″	6.5″	17″
265/35R22	29.3″	−1.2%	10.4″	3.7″	22″

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.
20: Fits a 20-inch wheel.

245/50R20 is about 29.6 inches tall and 9.6 inches wide, on a 20-inch wheel, roughly a 29.6x9.6R20 in inch sizing.

Nearly. It measures 29.6 inches, so it falls between 29 and 30 inches.

245/60R18, 275/45R20, 245/65R17 are the closest common sizes, all within 0.4% of its diameter, so the speedometer stays close to accurate.

255/55R20 is 4.7% taller, so at an indicated 60 mph you would really be doing 62.8 mph. Compare 245/50R20 and 255/55R20.

About 680 per mile (423 per km), from a 93.1-inch circumference.