205/45R17 tire size
A 205/45R17 tire stands 24.3 inches tall and 8.1 inches wide, with a 3.6-inch sidewall on a 17-inch rim.
- Overall height
- 24.3 in616 mm
- Section width
- 8.1 in205 mm
- Sidewall height
- 3.6 in92 mm
- Rim diameter
- 17 in432 mm
- Circumference
- 76.2 in1936 mm
- Revolutions per mile
- 831516 per km
- Inch size
- 24.3x8.1R17
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 17-inch sizes are within two width steps and 3% of a 205/45R17's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 185/50R17, 0.1% taller (0.02 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 15-inch or 16-inch or 18-inch or 19-inch rims, these are the closest matches to a 205/45R17.
Other 17-inch sizes near 205/45R17
205 mm wide, other sidewalls
45 series, other widths
See the other sizes for this rim on 17-inch tire sizes.
Shop 205/45R17 tires
These open each store's own list of 205/45R17 tires, where you can filter by type, load and speed rating.
205/45R17 questions
How tall is a 205/45R17 tire?
About 24.3 inches (616 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 205/45R17 mean?
205 is the section width in millimetres (8.1 in). 45 means the sidewall is 45% of that width: 92 mm, or 3.6 in. R means radial construction, and 17 is the rim diameter in inches.
Can I use 225/40R17 instead of 205/45R17?
225/40R17 is 0.7% shorter (0.18 in) and 20 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 59.6 mph. Make sure the extra width clears the suspension and fender liner at full lock.
What is 205/45R17 in inches?
In inch terms it is 24.3x8.1R17: 24.3 inches tall, 8.1 inches wide, for a 17-inch rim.
How many revolutions per mile does a 205/45R17 make?
About 831 turns per mile, worked out from its unloaded circumference of 76.2 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.