215/55R17 Tire Size Specifications
Complete dimensional breakdown in inches and millimeters, approved wheel rim widths, vehicle fitments, speedometer error tables, and safe plus-sizing alternatives.
215/55R17 Technical Dimension Table
Standardized measurements computed according to ETRTO & ISO 4000-1 passenger and commercial tire design formulas.
| Specification Property | Imperial (Inches / Miles) | Metric (Millimeters / Kilometers) |
|---|---|---|
| Overall Rolling Diameter | 26.31 in | 668.3 mm |
| Section Width (Cross-section) | 8.46 in | 215 mm |
| Sidewall Cushion Height | 4.66 in | 118.4 mm |
| Circumference (Rolling Distance) | 82.66 in | 2099.6 mm |
| Revolutions per Distance | 790 revs/mile | 491 revs/km |
| Wheel Rim Diameter | 17 in | 431.8 mm |
| Approved Rim Width Range | 5.8" – 7.5" | 147 – 191 mm |
| Measuring / Ideal Rim Width | 6.7 in | 170 mm |
| Aspect Ratio (Profile %) | 55% of section width | |
What 215/55R17 Is Typically Used For
Dimensions in this range are the mainstream touring fitment, tuned for ride comfort, efficiency and year-round availability.
To find the size your specific vehicle takes, check the placard on the driver-side door jamb or your owner's manual. Fitment depends on model year, trim, brake caliper clearance, wheel offset and suspension setup, so the correct size for your car is the one the manufacturer specifies.
Popular Comparisons with 215/55R17
Frequently Asked Questions about 215/55R17
What size is 215/55R17 in inches?
The 215/55R17 tire measures approximately 26.31" in overall diameter, 8.46" in section width (tread/sidewall cross-section), and is mounted on a 17" diameter wheel rim.
What rim width is recommended for 215/55R17?
The approved rim width range for 215/55R17 is 5.8" to 7.5" wide, with an ideal measuring rim width of 6.7" for optimal tread contact and even wear.
What are the closest safe alternative sizes for 215/55R17?
Always verify rolling diameter stays within ±3% of 26.31" to prevent transmission strain and speedometer inaccuracies.
How many revolutions per mile does 215/55R17 make?
A standard 215/55R17 tire rotates approximately 790 revolutions per mile (491 revs per kilometer) at normal inflation pressure and rolling radius.