225/45R19 tire size
A 225/45R19 tire stands 27.0 inches tall and 8.9 inches wide, with a 4.0-inch sidewall on a 19-inch rim.
- Overall height
- 27.0 in685 mm
- Section width
- 8.9 in225 mm
- Sidewall height
- 4.0 in101 mm
- Rim diameter
- 19 in483 mm
- Circumference
- 84.7 in2152 mm
- Revolutions per mile
- 748465 per km
- Inch size
- 27.0x8.9R19
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 225/45R19's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 205/50R19, 0.4% taller (0.10 in). Wider sizes also need room in the wheel well and a rim width that suits them.
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 225/45R19.
Other 19-inch sizes near 225/45R19
225 mm wide, other sidewalls
45 series, other widths
See the other sizes for this rim on 19-inch tire sizes.
Shop 225/45R19 tires
These open each store's own list of 225/45R19 tires, where you can filter by type, load and speed rating.
225/45R19 questions
How tall is a 225/45R19 tire?
About 27.0 inches (685 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 225/45R19 mean?
225 is the section width in millimetres (8.9 in). 45 means the sidewall is 45% of that width: 101 mm, or 4.0 in. R means radial construction, and 19 is the rim diameter in inches.
Can I use 245/40R19 instead of 225/45R19?
245/40R19 is 0.9% shorter (0.26 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 59.4 mph. Make sure the extra width clears the suspension and fender liner at full lock.
What is 225/45R19 in inches?
In inch terms it is 27.0x8.9R19: 27.0 inches tall, 8.9 inches wide, for a 19-inch rim.
How many revolutions per mile does a 225/45R19 make?
About 748 turns per mile, worked out from its unloaded circumference of 84.7 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.