My Tire Guide

265/55R18 tire size

A 265/55R18 tire stands 29.5 inches tall and 10.4 inches wide, with a 5.7-inch sidewall on an 18-inch rim.

29.5″OVERALL 29.5 IN · RIM 18 IN10.4″5.7″WIDTH · SIDEWALL
Overall height
29.5 in749 mm
Section width
10.4 in265 mm
Sidewall height
5.7 in146 mm
Rim diameter
18 in457 mm
Circumference
92.6 in2352 mm
Revolutions per mile
684425 per km
Inch size
29.5x10.4R18

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 265/55R18's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 245/60R18, 0.3% taller (0.10 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
245/60R18+0.3%+0.10 in−20 mm60.2 mph
285/50R18−0.9%−0.26 in+20 mm59.5 mph
275/55R18+1.5%+0.43 in+10 mm60.9 mph
255/55R18−1.5%−0.43 in−10 mm59.1 mph
255/60R18+1.9%+0.57 in−10 mm61.2 mph
275/50R18−2.2%−0.65 in+10 mm58.7 mph
245/55R18−2.9%−0.87 in−20 mm58.2 mph
285/55R18+2.9%+0.87 in+20 mm61.8 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 265/55R18.

SizeHeightWidthAt 60 mph
285/60R16−0.0%−0.01 in+20 mm60.0 mph
265/60R17+0.1%+0.04 in±0 mm60.1 mph
295/45R19−0.1%−0.02 in+30 mm60.0 mph
265/45R20−0.3%−0.09 in±0 mm59.8 mph

Other 18-inch sizes near 265/55R18

265 mm wide, other sidewalls

55 series, other widths

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

Shop 265/55R18 tires

These open each store's own list of 265/55R18 tires, where you can filter by type, load and speed rating.

265/55R18 questions

How tall is a 265/55R18 tire?

About 29.5 inches (749 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 265/55R18 mean?

265 is the section width in millimetres (10.4 in). 55 means the sidewall is 55% of that width: 146 mm, or 5.7 in. R means radial construction, and 18 is the rim diameter in inches.

Can I use 245/60R18 instead of 265/55R18?

245/60R18 is 0.3% taller (0.10 in) and 20 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.2 mph.

What is 265/55R18 in inches?

In inch terms it is 29.5x10.4R18: 29.5 inches tall, 10.4 inches wide, for an 18-inch rim.

How many revolutions per mile does a 265/55R18 make?

About 684 turns per mile, worked out from its unloaded circumference of 92.6 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.