My Tire Guide

285/75R15 tire size

A 285/75R15 tire stands 31.8 inches tall and 11.2 inches wide, with a 8.4-inch sidewall on a 15-inch rim.

31.8″OVERALL 31.8 IN · RIM 15 IN11.2″8.4″WIDTH · SIDEWALL
Overall height
31.8 in809 mm
Section width
11.2 in285 mm
Sidewall height
8.4 in214 mm
Rim diameter
15 in381 mm
Circumference
100.0 in2540 mm
Revolutions per mile
634394 per km
Inch size
31.8x11.2R15

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 285/75R15's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 305/70R15, 0.1% shorter (0.02 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
305/70R15−0.1%−0.02 in+20 mm60.0 mph
295/70R15−1.8%−0.57 in+10 mm58.9 mph
275/75R15−1.9%−0.59 in−10 mm58.9 mph
295/75R15+1.9%+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 rims, these are the closest matches to a 285/75R15.

SizeHeightWidthAt 60 mph
285/70R16−0.4%−0.12 in±0 mm59.8 mph
315/60R17+0.2%+0.05 in+30 mm60.1 mph

Other 15-inch sizes near 285/75R15

285 mm wide, other sidewalls

75 series, other widths

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

Shop 285/75R15 tires

These open each store's own list of 285/75R15 tires, where you can filter by type, load and speed rating.

285/75R15 questions

How tall is a 285/75R15 tire?

About 31.8 inches (809 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 285/75R15 mean?

285 is the section width in millimetres (11.2 in). 75 means the sidewall is 75% of that width: 214 mm, or 8.4 in. R means radial construction, and 15 is the rim diameter in inches.

Can I use 275/75R15 instead of 285/75R15?

275/75R15 is 1.9% shorter (0.59 in) and 10 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 58.9 mph.

What is 285/75R15 in inches?

In inch terms it is 31.8x11.2R15: 31.8 inches tall, 11.2 inches wide, for a 15-inch rim.

How many revolutions per mile does a 285/75R15 make?

About 634 turns per mile, worked out from its unloaded circumference of 100.0 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.