185/70R14 tire size

A 185/70R14 tire is 24.2 inches (615 mm) tall and 7.3 inches (185 mm) wide, and fits a 14-inch wheel. In inch sizing it is about a 24.2x7.3R14.

Overall diameter24.20in615 mm

Drawn to scale from the nominal size.

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Size	Diameter	Difference	Width	Sidewall	Wheel
195/60R15	24.2″	+0.1%	7.7″	4.6″	15″
205/50R16	24.1″	−0.5%	8.1″	4.0″	16″
185/55R16	24.0″	−0.8%	7.3″	4.0″	16″
175/65R15	24.0″	−1.0%	6.9″	4.5″	15″
195/55R16	24.4″	+1.0%	7.7″	4.2″	16″
185/65R15	24.5″	+1.1%	7.3″	4.7″	15″
205/55R15	23.9″	−1.3%	8.1″	4.4″	15″
215/45R17	24.6″	+1.7%	8.5″	3.8″	17″
185/60R15	23.7″	−1.9%	7.3″	4.4″	15″
205/60R15	24.7″	+2.0%	8.1″	4.8″	15″
195/50R16	23.7″	−2.1%	7.7″	3.8″	16″
245/40R17	24.7″	+2.1%	9.6″	3.9″	17″

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

185: Section width: 185 mm (7.3 in) from sidewall to sidewall.
70: Aspect ratio: the sidewall is 70% as tall as the tire is wide, 130 mm (5.1 in).
R: Radial construction, used by almost every modern tire.
14: Fits a 14-inch wheel.

185/70R14 is about 24.2 inches tall and 7.3 inches wide, on a 14-inch wheel, roughly a 24.2x7.3R14 in inch sizing.

Yes. At 24.2 inches it is sold and fitted as a 24-inch tire.

195/60R15, 205/50R16, 185/55R16 are the closest common sizes, all within 0.8% of its diameter, so the speedometer stays close to accurate.

205/70R14 is 4.6% taller, so at an indicated 60 mph you would really be doing 62.7 mph. Compare 185/70R14 and 205/70R14.

About 834 per mile (518 per km), from a 76.0-inch circumference.