My Tire Guide

245/40R19 tire size

A 245/40R19 tire stands 26.7 inches tall and 9.6 inches wide, with a 3.9-inch sidewall on a 19-inch rim.

26.7″OVERALL 26.7 IN · RIM 19 IN9.6″3.9″WIDTH · SIDEWALL
Overall height
26.7 in679 mm
Section width
9.6 in245 mm
Sidewall height
3.9 in98 mm
Rim diameter
19 in483 mm
Circumference
83.9 in2132 mm
Revolutions per mile
755469 per km
Inch size
26.7x9.6R19

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

Sizes you can swap to

These 19-inch sizes are within two width steps and 3% of a 245/40R19's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 225/45R19, 1.0% taller (0.26 in). Wider sizes also need room in the wheel well and a rim width that suits them.

SizeHeightWidthAt 60 mph
225/45R19+1.0%+0.26 in−20 mm60.6 mph
235/40R19−1.2%−0.31 in−10 mm59.3 mph
255/40R19+1.2%+0.31 in+10 mm60.7 mph
265/35R19−1.5%−0.41 in+20 mm59.1 mph
235/45R19+2.3%+0.61 in−10 mm61.4 mph
265/40R19+2.4%+0.63 in+20 mm61.4 mph
225/40R19−2.4%−0.63 in−20 mm58.6 mph
255/35R19−2.6%−0.69 in+10 mm58.5 mph

Plus and minus sizes

Changing rim size means changing the sidewall to keep the same overall height. On 17-inch or 18-inch or 20-inch or 21-inch rims, these are the closest matches to a 245/40R19.

SizeHeightWidthAt 60 mph
225/55R17+0.1%+0.03 in−20 mm60.1 mph
245/45R18−0.1%−0.04 in±0 mm59.9 mph
245/35R20+0.1%+0.04 in±0 mm60.1 mph
245/30R21+0.3%+0.07 in±0 mm60.2 mph

Other 19-inch sizes near 245/40R19

245 mm wide, other sidewalls

40 series, other widths

See the other sizes for this rim on 19-inch tire sizes.

Shop 245/40R19 tires

These open each store's own list of 245/40R19 tires, where you can filter by type, load and speed rating.

245/40R19 questions

How tall is a 245/40R19 tire?

About 26.7 inches (679 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.

What does 245/40R19 mean?

245 is the section width in millimetres (9.6 in). 40 means the sidewall is 40% of that width: 98 mm, or 3.9 in. R means radial construction, and 19 is the rim diameter in inches.

Can I use 225/45R19 instead of 245/40R19?

225/45R19 is 1.0% taller (0.26 in) and 20 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.6 mph.

What is 245/40R19 in inches?

In inch terms it is 26.7x9.6R19: 26.7 inches tall, 9.6 inches wide, for a 19-inch rim.

How many revolutions per mile does a 245/40R19 make?

About 755 turns per mile, worked out from its unloaded circumference of 83.9 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.