My Tire Guide

265/75R18 tire size

A 265/75R18 tire stands 33.6 inches tall and 10.4 inches wide, with a 7.8-inch sidewall on an 18-inch rim.

33.6″OVERALL 33.6 IN · RIM 18 IN10.4″7.8″WIDTH · SIDEWALL
Overall height
33.6 in855 mm
Section width
10.4 in265 mm
Sidewall height
7.8 in199 mm
Rim diameter
18 in457 mm
Circumference
105.7 in2685 mm
Revolutions per mile
599372 per km
Inch size
33.6x10.4R18

Compare it with any other size in the tire size calculator.

Sizes you can swap to

These 18-inch sizes are within two width steps and 3% of a 265/75R18's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 285/70R18, 0.2% taller (0.06 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
285/70R18+0.2%+0.06 in+20 mm60.1 mph
275/70R18−1.5%−0.49 in+10 mm59.1 mph
255/75R18−1.8%−0.59 in−10 mm58.9 mph
275/75R18+1.8%+0.59 in+10 mm61.1 mph

Plus and minus sizes

Changing rim size means changing the sidewall to keep the same overall height. On 16-inch or 17-inch or 19-inch or 20-inch rims, these are the closest matches to a 265/75R18.

SizeHeightWidthAt 60 mph
295/75R16−0.7%−0.23 in+30 mm59.6 mph
285/75R17+0.5%+0.18 in+20 mm60.3 mph
265/70R19−0.1%−0.04 in±0 mm59.9 mph
265/65R20−0.3%−0.09 in±0 mm59.8 mph

Other 18-inch sizes near 265/75R18

265 mm wide, other sidewalls

75 series, other widths

See the other sizes for this rim on 18-inch tire sizes.

Shop 265/75R18 tires

These open each store's own list of 265/75R18 tires, where you can filter by type, load and speed rating.

265/75R18 questions

How tall is a 265/75R18 tire?

About 33.6 inches (855 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 265/75R18 mean?

265 is the section width in millimetres (10.4 in). 75 means the sidewall is 75% of that width: 199 mm, or 7.8 in. R means radial construction, and 18 is the rim diameter in inches.

Can I use 285/70R18 instead of 265/75R18?

285/70R18 is 0.2% taller (0.06 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.1 mph. Make sure the extra width clears the suspension and fender liner at full lock.

What is 265/75R18 in inches?

In inch terms it is 33.6x10.4R18: 33.6 inches tall, 10.4 inches wide, for an 18-inch rim.

How many revolutions per mile does a 265/75R18 make?

About 599 turns per mile, worked out from its unloaded circumference of 105.7 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.