My Tire Guide

33x12.50R18 tire size

A 33x12.50R18 tire is 33 inches tall and 12.5 inches wide on an 18-inch rim, with a 7.5-inch sidewall. The closest metric size is 295/65R18, 0.1 inches taller.

33.0″OVERALL 33.0 IN · RIM 18 IN12.5″7.5″WIDTH · SIDEWALL
Overall height
33 in838 mm
Section width
12.50 in318 mm
Sidewall height
7.5 in191 mm
Rim diameter
18 in457 mm
Circumference
103.7 in2633 mm
Revolutions per mile
611380 per km

33x12.50R18 in metric

These metric 18-inch sizes are within 3% of a 33x12.50R18's height and within about an inch of its width. Metric sizes are usually a little narrower than the inch size they replace.

SizeHeightWidthAt 60 mph
295/65R18+0.3%+0.10 in−23 mm60.2 mph
315/60R18−0.4%−0.12 in−3 mm59.8 mph
305/60R18−1.8%−0.59 in−13 mm58.9 mph
305/65R18+1.8%+0.61 in−13 mm61.1 mph

Other inch sizes

On 18-inch rims

33 inches tall, other rims

See other sizes about this tall on 33-inch tires, or browse 18-inch tire sizes.

Shop 33x12.50R18 tires

These open each store's own list of 33x12.50R18 tires.

33x12.50R18 questions

What does 33x12.50R18 mean?

It is an inch size: 33 inches overall height, 12.50 inches section width, R for radial, and an 18-inch rim. Inch sizes like this are light-truck tires, sold in load ranges such as C, D or E.

What is 33x12.50R18 in metric?

There is no exact metric twin, but 295/65R18 (33.1 in tall, 11.6 in wide), 315/60R18 (32.9 in tall, 12.4 in wide), 305/60R18 (32.4 in tall, 12.0 in wide) are the closest on an 18-inch rim.

How many revolutions per mile does a 33x12.50R18 make?

About 611, worked out from its 103.7-inch unloaded circumference. Loaded on the truck it turns slightly more.