315/75R16 tire size

A 315/75R16 tire is 34.6 inches (879 mm) tall and 12.4 inches (315 mm) wide, and fits a 16-inch wheel. In inch sizing it is about a 34.6x12.4R16.

Overall diameter34.60in879 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
285/75R18	34.8″	+0.7%	11.2″	8.4″	18″
315/70R17	34.4″	−0.7%	12.4″	8.7″	17″
295/70R18	34.3″	−1.0%	11.6″	8.1″	18″
35x12.50R15	35.0″	+1.1%	12.5″	10.0″	15″
35x12.50R17	35.0″	+1.1%	12.5″	9.0″	17″
35x12.50R18	35.0″	+1.1%	12.5″	8.5″	18″
35x12.50R20	35.0″	+1.1%	12.5″	7.5″	20″
35x12.50R22	35.0″	+1.1%	12.5″	6.5″	22″
35x12.50R24	35.0″	+1.1%	12.5″	5.5″	24″
275/65R20	34.1″	−1.5%	10.8″	7.0″	20″
295/60R20	33.9″	−1.9%	11.6″	7.0″	20″
285/75R17	33.8″	−2.2%	11.2″	8.4″	17″

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

315: Section width: 315 mm (12.4 in) from sidewall to sidewall.
75: Aspect ratio: the sidewall is 75% as tall as the tire is wide, 236 mm (9.3 in).
R: Radial construction, used by almost every modern tire.
16: Fits a 16-inch wheel.

315/75R16 is about 34.6 inches tall and 12.4 inches wide, on a 16-inch wheel, roughly a 34.6x12.4R16 in inch sizing.

Nearly. It measures 34.6 inches, so it falls between 34 and 35 inches.

285/75R18, 315/70R17, 295/70R18 are the closest common sizes, all within 1.0% of its diameter, so the speedometer stays close to accurate.

About 583 per mile (362 per km), from a 108.7-inch circumference.