33x12.50R15 tire size

A 33x12.50R15 tire is 33.0 inches (838 mm) tall and 12.5 inches (318 mm) wide, and fits a 15-inch wheel. The closest metric size is 315/75R15, 33.6 in tall.

Overall diameter33.00in838 mm

	Inches	Millimetres
Section width	12.50 in	318 mm
Sidewall height	9.00 in	229 mm
Wheel diameter	15 in	381 mm
Circumference	103.7 in	2633 mm
Revs per mile / km	611	380

Drawn to scale from the nominal size.

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Compare 33x12.50R15 with

33x12.50R17 0.0%33x12.50R18 0.0%33x12.50R20 0.0%275/60R20 −0.0%275/70R18 +0.5%305/55R20 +0.6%32x11.50R15 −3.0%31x10.50R15 −6.1%35x12.50R15 +6.1%

Sizes within 3% of 33x12.50R15

Size	Diameter	Difference	Width	Sidewall	Wheel
33x12.50R17	33.0″	0.0%	12.5″	8.0″	17″
33x12.50R18	33.0″	0.0%	12.5″	7.5″	18″
33x12.50R20	33.0″	0.0%	12.5″	6.5″	20″
275/60R20	33.0″	−0.0%	10.8″	6.5″	20″
275/70R18	33.2″	+0.5%	10.8″	7.6″	18″
285/75R16	32.8″	−0.5%	11.2″	8.4″	16″
305/70R16	32.8″	−0.6%	12.0″	8.4″	16″
305/45R22	32.8″	−0.6%	12.0″	5.4″	22″
305/55R20	33.2″	+0.6%	12.0″	6.6″	20″
295/55R20	32.8″	−0.7%	11.6″	6.4″	20″
285/70R17	32.7″	−0.9%	11.2″	7.9″	17″
265/70R18	32.6″	−1.2%	10.4″	7.3″	18″

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

What 33x12.50R15 means

33: Overall height: 33.0 in (838 mm).
12.50: Section width: 12.50 in (318 mm).
R: Radial construction.
15: Fits a 15-inch wheel. Inch sizes like this are light-truck (LT) tires.

33x12.50R15 questions

What is 33x12.50R15 in inches?

33x12.50R15 is about 33.0 inches tall and 12.5 inches wide, on a 15-inch wheel.

Is 33x12.50R15 a 33 inch tire?

Yes. At 33.0 inches it is sold and fitted as a 33-inch tire.

What size can replace 33x12.50R15?

33x12.50R17, 33x12.50R18, 33x12.50R20 are the closest common sizes, all within 0.0% of its diameter, so the speedometer stays close to accurate.

How much bigger is 35x12.50R15?

35x12.50R15 is 6.1% taller, so at an indicated 60 mph you would really be doing 63.6 mph. Compare 33x12.50R15 and 35x12.50R15.

How many revolutions per mile does 33x12.50R15 make?

About 611 per mile (380 per km), from a 103.7-inch circumference.