My Tire Guide

315/60R20 tire size

A 315/60R20 tire stands 34.9 inches tall and 12.4 inches wide, with a 7.4-inch sidewall on a 20-inch rim.

34.9″OVERALL 34.9 IN · RIM 20 IN12.4″7.4″WIDTH · SIDEWALL
Overall height
34.9 in886 mm
Section width
12.4 in315 mm
Sidewall height
7.4 in189 mm
Rim diameter
20 in508 mm
Circumference
109.6 in2783 mm
Revolutions per mile
578359 per km
Inch size
34.9x12.4R20

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

Sizes you can swap to

These 20-inch sizes are within two width steps and 3% of a 315/60R20's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 295/65R20, 0.6% taller (0.22 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
295/65R20+0.6%+0.22 in−20 mm60.4 mph
305/60R20−1.4%−0.47 in−10 mm59.2 mph
305/65R20+2.1%+0.73 in−10 mm61.3 mph
295/60R20−2.7%−0.94 in−20 mm58.4 mph

Plus and minus sizes

Changing rim size means changing the sidewall to keep the same overall height. On 18-inch or 19-inch or 22-inch rims, these are the closest matches to a 315/60R20.

SizeHeightWidthAt 60 mph
285/75R18−0.1%−0.05 in−30 mm59.9 mph
285/70R19−0.5%−0.17 in−30 mm59.7 mph
295/55R22−0.3%−0.11 in−20 mm59.8 mph

Other 20-inch sizes near 315/60R20

315 mm wide, other sidewalls

60 series, other widths

See the other sizes for this rim on 20-inch tire sizes, or other tires about this tall on 35-inch tires.

Shop 315/60R20 tires

These open each store's own list of 315/60R20 tires, where you can filter by type, load and speed rating.

315/60R20 questions

How tall is a 315/60R20 tire?

About 34.9 inches (886 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 315/60R20 mean?

315 is the section width in millimetres (12.4 in). 60 means the sidewall is 60% of that width: 189 mm, or 7.4 in. R means radial construction, and 20 is the rim diameter in inches.

Can I use 295/65R20 instead of 315/60R20?

295/65R20 is 0.6% taller (0.22 in) and 20 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.4 mph.

What is 315/60R20 in inches?

In inch terms it is 34.9x12.4R20: 34.9 inches tall, 12.4 inches wide, for a 20-inch rim.

How many revolutions per mile does a 315/60R20 make?

About 578 turns per mile, worked out from its unloaded circumference of 109.6 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.