My Tire Guide

245/35R20 tire size

A 245/35R20 tire stands 26.8 inches tall and 9.6 inches wide, with a 3.4-inch sidewall on a 20-inch rim.

26.8″OVERALL 26.8 IN · RIM 20 IN9.6″3.4″WIDTH · SIDEWALL
Overall height
26.8 in680 mm
Section width
9.6 in245 mm
Sidewall height
3.4 in86 mm
Rim diameter
20 in508 mm
Circumference
84.0 in2135 mm
Revolutions per mile
754468 per km
Inch size
26.8x9.6R20

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 245/35R20's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 255/35R20, 1.0% taller (0.28 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
255/35R20+1.0%+0.28 in+10 mm60.6 mph
235/35R20−1.0%−0.28 in−10 mm59.4 mph
225/40R20+1.3%+0.33 in−20 mm60.8 mph
225/35R20−2.1%−0.55 in−20 mm58.8 mph
265/35R20+2.1%+0.55 in+20 mm61.2 mph
235/40R20+2.4%+0.65 in−10 mm61.5 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 21-inch rims, these are the closest matches to a 245/35R20.

SizeHeightWidthAt 60 mph
245/45R18−0.3%−0.07 in±0 mm59.8 mph
245/40R19−0.1%−0.04 in±0 mm59.9 mph
245/30R21+0.1%+0.04 in±0 mm60.1 mph

Other 20-inch sizes near 245/35R20

245 mm wide, other sidewalls

35 series, other widths

See the other sizes for this rim on 20-inch tire sizes.

Shop 245/35R20 tires

These open each store's own list of 245/35R20 tires, where you can filter by type, load and speed rating.

245/35R20 questions

How tall is a 245/35R20 tire?

About 26.8 inches (680 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 245/35R20 mean?

245 is the section width in millimetres (9.6 in). 35 means the sidewall is 35% of that width: 86 mm, or 3.4 in. R means radial construction, and 20 is the rim diameter in inches.

Can I use 255/35R20 instead of 245/35R20?

255/35R20 is 1.0% taller (0.28 in) and 10 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.6 mph. Make sure the extra width clears the suspension and fender liner at full lock.

What is 245/35R20 in inches?

In inch terms it is 26.8x9.6R20: 26.8 inches tall, 9.6 inches wide, for a 20-inch rim.

How many revolutions per mile does a 245/35R20 make?

About 754 turns per mile, worked out from its unloaded circumference of 84.0 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.