35x12.50R18 tire size

A 35x12.50R18 tire is 35.0 inches (889 mm) tall and 12.5 inches (318 mm) wide, and fits a 18-inch wheel. The closest metric size is 315/70R18, 35.4 in tall.

Overall diameter35.00in889 mm

	Inches	Millimetres
Section width	12.50 in	318 mm
Sidewall height	8.50 in	216 mm
Wheel diameter	18 in	457 mm
Circumference	110.0 in	2793 mm
Revs per mile / km	576	358

Drawn to scale from the nominal size.

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Compare 35x12.50R18 with

35x12.50R15 0.0%35x12.50R17 0.0%35x12.50R20 0.0%35x12.50R22 0.0%35x12.50R24 0.0%285/75R18 −0.5%295/70R18 −2.1%275/70R18 −5.3%33x12.50R18 −5.7%265/70R18 −6.8%285/65R18 −6.9%

Sizes within 3% of 35x12.50R18

Size	Diameter	Difference	Width	Sidewall	Wheel
35x12.50R15	35.0″	0.0%	12.5″	10.0″	15″
35x12.50R17	35.0″	0.0%	12.5″	9.0″	17″
35x12.50R20	35.0″	0.0%	12.5″	7.5″	20″
35x12.50R22	35.0″	0.0%	12.5″	6.5″	22″
35x12.50R24	35.0″	0.0%	12.5″	5.5″	24″
285/75R18	34.8″	−0.5%	11.2″	8.4″	18″
315/75R16	34.6″	−1.1%	12.4″	9.3″	16″
315/70R17	34.4″	−1.8%	12.4″	8.7″	17″
295/70R18	34.3″	−2.1%	11.6″	8.1″	18″
275/65R20	34.1″	−2.6%	10.8″	7.0″	20″

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

What 35x12.50R18 means

35: Overall height: 35.0 in (889 mm).
12.50: Section width: 12.50 in (318 mm).
R: Radial construction.
18: Fits a 18-inch wheel. Inch sizes like this are light-truck (LT) tires.

35x12.50R18 questions

What is 35x12.50R18 in inches?

35x12.50R18 is about 35.0 inches tall and 12.5 inches wide, on a 18-inch wheel.

Is 35x12.50R18 a 35 inch tire?

Yes. At 35.0 inches it is sold and fitted as a 35-inch tire.

What size can replace 35x12.50R18?

35x12.50R15, 35x12.50R17, 35x12.50R20 are the closest common sizes, all within 0.0% of its diameter, so the speedometer stays close to accurate.

How many revolutions per mile does 35x12.50R18 make?

About 576 per mile (358 per km), from a 110.0-inch circumference.