37x12.50R17 tire size

A 37x12.50R17 tire is 37.0 inches (940 mm) tall and 12.5 inches (318 mm) wide, and fits a 17-inch wheel. The closest metric size is 315/80R17, 36.8 in tall.

Overall diameter37.00in940 mm

	Inches	Millimetres
Section width	12.50 in	318 mm
Sidewall height	10.00 in	254 mm
Wheel diameter	17 in	432 mm
Circumference	116.2 in	2952 mm
Revs per mile / km	545	339

Drawn to scale from the nominal size.

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Compare 37x12.50R17 with

37x12.50R20 0.0%37x13.50R22 0.0%35x12.50R17 −5.4%315/70R17 −7.1%

Sizes within 3% of 37x12.50R17

Size	Diameter	Difference	Width	Sidewall	Wheel
37x12.50R20	37.0″	0.0%	12.5″	8.5″	20″
37x13.50R22	37.0″	0.0%	13.5″	7.5″	22″

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

What 37x12.50R17 means

37: Overall height: 37.0 in (940 mm).
12.50: Section width: 12.50 in (318 mm).
R: Radial construction.
17: Fits a 17-inch wheel. Inch sizes like this are light-truck (LT) tires.

37x12.50R17 questions

What is 37x12.50R17 in inches?

37x12.50R17 is about 37.0 inches tall and 12.5 inches wide, on a 17-inch wheel.

Is 37x12.50R17 a 37 inch tire?

Yes. At 37.0 inches it is sold and fitted as a 37-inch tire.

What size can replace 37x12.50R17?

37x12.50R20, 37x13.50R22 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 37x12.50R17 make?

About 545 per mile (339 per km), from a 116.2-inch circumference.