31x10.50R15 tire size

A 31x10.50R15 tire is 31 inches tall and 10.5 inches wide on a 15-inch rim, with a 8.0-inch sidewall. The closest metric size is 275/75R15, 0.2 inches taller.

Overall height: 31 in787 mm
Section width: 10.50 in267 mm
Sidewall height: 8.0 in203 mm
Rim diameter: 15 in381 mm
Circumference: 97.4 in2474 mm
Revolutions per mile: 651404 per km

31x10.50R15 in metric

These metric 15-inch sizes are within 3% of a 31x10.50R15'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

275/75R15+0.8%+0.24 in+8 mm60.5 mph

285/70R15−0.9%−0.29 in+18 mm59.4 mph

265/75R15−1.1%−0.35 in−2 mm59.3 mph

285/75R15+2.7%+0.83 in+18 mm61.6 mph

275/70R15−2.7%−0.84 in+8 mm58.4 mph

Other inch sizes

On 15-inch rims

See other sizes about this tall on 31-inch tires, or browse 15-inch tire sizes.

Shop 31x10.50R15 tires

These open each store's own list of 31x10.50R15 tires.

31x10.50R15 questions

What does 31x10.50R15 mean?

It is an inch size: 31 inches overall height, 10.50 inches section width, R for radial, and a 15-inch rim. Inch sizes like this are light-truck tires, sold in load ranges such as C, D or E.

What is 31x10.50R15 in metric?

There is no exact metric twin, but 275/75R15 (31.2 in tall, 10.8 in wide), 285/70R15 (30.7 in tall, 11.2 in wide), 265/75R15 (30.6 in tall, 10.4 in wide) are the closest on a 15-inch rim.

How many revolutions per mile does a 31x10.50R15 make?

About 651, worked out from its 97.4-inch unloaded circumference. Loaded on the truck it turns slightly more.