245/75R16 tire size

A 245/75R16 tire is 30.5 inches (774 mm) tall and 9.6 inches (245 mm) wide, and fits a 16-inch wheel. In inch sizing it is about a 30.5x9.6R16.

Overall diameter30.47in774 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
245/70R17	30.5″	+0.1%	9.6″	6.8″	17″
265/50R20	30.4″	−0.1%	10.4″	5.2″	20″
265/60R18	30.5″	+0.2%	10.4″	6.3″	18″
265/65R17	30.6″	+0.3%	10.4″	6.8″	17″
265/40R22	30.3″	−0.4%	10.4″	4.2″	22″
265/70R16	30.6″	+0.5%	10.4″	7.3″	16″
275/40R22	30.7″	+0.6%	10.8″	4.3″	22″
275/45R21	30.7″	+0.9%	10.8″	4.9″	21″
235/55R20	30.2″	−1.0%	9.3″	5.1″	20″
235/75R17	30.9″	+1.3%	9.3″	6.9″	17″
255/70R16	30.1″	−1.4%	10.0″	7.0″	16″
255/65R17	30.1″	−1.4%	10.0″	6.5″	17″

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.
75: Aspect ratio: the sidewall is 75% as tall as the tire is wide, 184 mm (7.2 in).
R: Radial construction, used by almost every modern tire.
16: Fits a 16-inch wheel.

245/75R16 is about 30.5 inches tall and 9.6 inches wide, on a 16-inch wheel, roughly a 30.5x9.6R16 in inch sizing.

Nearly. It measures 30.5 inches, so it falls between 30 and 31 inches.

245/70R17, 265/50R20, 265/60R18 are the closest common sizes, all within 0.2% of its diameter, so the speedometer stays close to accurate.

265/75R16 is 3.9% taller, so at an indicated 60 mph you would really be doing 62.3 mph. Compare 245/75R16 and 265/75R16.

About 662 per mile (411 per km), from a 95.7-inch circumference.