My Tire Guide

185/65R15 tire size

A 185/65R15 tire stands 24.5 inches tall and 7.3 inches wide, with a 4.7-inch sidewall on a 15-inch rim.

24.5″OVERALL 24.5 IN · RIM 15 IN7.3″4.7″WIDTH · SIDEWALL
Overall height
24.5 in622 mm
Section width
7.3 in185 mm
Sidewall height
4.7 in120 mm
Rim diameter
15 in381 mm
Circumference
76.9 in1952 mm
Revolutions per mile
824512 per km
Inch size
24.5x7.3R15

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

Sizes you can swap to

These 15-inch sizes are within two width steps and 3% of a 185/65R15's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 205/60R15, 0.9% taller (0.22 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
205/60R15+0.9%+0.22 in+20 mm60.5 mph
195/60R15−1.0%−0.26 in+10 mm59.4 mph
195/65R15+2.1%+0.51 in+10 mm61.3 mph
205/55R15−2.4%−0.59 in+20 mm58.6 mph
185/60R15−3.0%−0.73 in±0 mm58.2 mph
185/70R15+3.0%+0.73 in±0 mm61.8 mph

Plus and minus sizes

Changing rim size means changing the sidewall to keep the same overall height. On 13-inch or 14-inch or 16-inch or 17-inch rims, these are the closest matches to a 185/65R15.

SizeHeightWidthAt 60 mph
195/75R13+0.2%+0.05 in+10 mm60.1 mph
205/65R14+0.1%+0.02 in+20 mm60.1 mph
215/50R16−0.0%−0.00 in+30 mm60.0 mph
215/45R17+0.6%+0.15 in+30 mm60.4 mph

Other 15-inch sizes near 185/65R15

185 mm wide, other sidewalls

65 series, other widths

See the other sizes for this rim on 15-inch tire sizes.

Shop 185/65R15 tires

These open each store's own list of 185/65R15 tires, where you can filter by type, load and speed rating.

185/65R15 questions

How tall is a 185/65R15 tire?

About 24.5 inches (622 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 185/65R15 mean?

185 is the section width in millimetres (7.3 in). 65 means the sidewall is 65% of that width: 120 mm, or 4.7 in. R means radial construction, and 15 is the rim diameter in inches.

Can I use 205/60R15 instead of 185/65R15?

205/60R15 is 0.9% taller (0.22 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.5 mph. Make sure the extra width clears the suspension and fender liner at full lock.

What is 185/65R15 in inches?

In inch terms it is 24.5x7.3R15: 24.5 inches tall, 7.3 inches wide, for a 15-inch rim.

How many revolutions per mile does a 185/65R15 make?

About 824 turns per mile, worked out from its unloaded circumference of 76.9 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.