315/45R22 tire size
A 315/45R22 tire stands 33.2 inches tall and 12.4 inches wide, with a 5.6-inch sidewall on a 22-inch rim.
- Overall height
- 33.2 in842 mm
- Section width
- 12.4 in315 mm
- Sidewall height
- 5.6 in142 mm
- Rim diameter
- 22 in559 mm
- Circumference
- 104.2 in2646 mm
- Revolutions per mile
- 608378 per km
- Inch size
- 33.2x12.4R22
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 22-inch sizes are within two width steps and 3% of a 315/45R22's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 305/45R22, 1.1% shorter (0.35 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 20-inch or 21-inch or 24-inch rims, these are the closest matches to a 315/45R22.
Other 22-inch sizes near 315/45R22
315 mm wide, other sidewalls
45 series, other widths
See the other sizes for this rim on 22-inch tire sizes, or other tires about this tall on 33-inch tires.
Shop 315/45R22 tires
These open each store's own list of 315/45R22 tires, where you can filter by type, load and speed rating.
315/45R22 questions
How tall is a 315/45R22 tire?
About 33.2 inches (842 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 315/45R22 mean?
315 is the section width in millimetres (12.4 in). 45 means the sidewall is 45% of that width: 142 mm, or 5.6 in. R means radial construction, and 22 is the rim diameter in inches.
Can I use 305/45R22 instead of 315/45R22?
305/45R22 is 1.1% shorter (0.35 in) and 10 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 59.4 mph.
What is 315/45R22 in inches?
In inch terms it is 33.2x12.4R22: 33.2 inches tall, 12.4 inches wide, for a 22-inch rim.
How many revolutions per mile does a 315/45R22 make?
About 608 turns per mile, worked out from its unloaded circumference of 104.2 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.