My Tire Guide

255/30R24 tire size

A 255/30R24 tire stands 30.0 inches tall and 10.0 inches wide, with a 3.0-inch sidewall on a 24-inch rim.

30.0″OVERALL 30.0 IN · RIM 24 IN10.0″3.0″WIDTH · SIDEWALL
Overall height
30.0 in763 mm
Section width
10.0 in255 mm
Sidewall height
3.0 in77 mm
Rim diameter
24 in610 mm
Circumference
94.3 in2396 mm
Revolutions per mile
672417 per km
Inch size
30.0x10.0R24

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

Sizes you can swap to

These 24-inch sizes are within two width steps and 3% of a 255/30R24's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 245/30R24, 0.8% shorter (0.24 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
245/30R24−0.8%−0.24 in−10 mm59.5 mph
265/30R24+0.8%+0.24 in+10 mm60.5 mph
235/35R24+1.5%+0.45 in−20 mm60.9 mph
275/30R24+1.6%+0.47 in+20 mm60.9 mph
235/30R24−1.6%−0.47 in−20 mm59.1 mph
245/35R24+2.4%+0.73 in−10 mm61.5 mph

Plus and minus sizes

Changing rim size means changing the sidewall to keep the same overall height. On 22-inch rims, these are the closest matches to a 255/30R24.

SizeHeightWidthAt 60 mph
255/40R22+0.0%+0.01 in±0 mm60.0 mph

Other 24-inch sizes near 255/30R24

30 series, other widths

See the other sizes for this rim on 24-inch tire sizes.

Shop 255/30R24 tires

These open each store's own list of 255/30R24 tires, where you can filter by type, load and speed rating.

255/30R24 questions

How tall is a 255/30R24 tire?

About 30.0 inches (763 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 255/30R24 mean?

255 is the section width in millimetres (10.0 in). 30 means the sidewall is 30% of that width: 77 mm, or 3.0 in. R means radial construction, and 24 is the rim diameter in inches.

Can I use 275/30R24 instead of 255/30R24?

275/30R24 is 1.6% taller (0.47 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.9 mph. Make sure the extra width clears the suspension and fender liner at full lock.

What is 255/30R24 in inches?

In inch terms it is 30.0x10.0R24: 30.0 inches tall, 10.0 inches wide, for a 24-inch rim.

How many revolutions per mile does a 255/30R24 make?

About 672 turns per mile, worked out from its unloaded circumference of 94.3 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.