205/55R16 Tire Size Specifications
Complete dimensional breakdown in inches and millimeters, approved wheel rim widths, vehicle fitments, speedometer error tables, and safe plus-sizing alternatives.
205/55R16 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 | 24.88 in | 632 mm |
| Section Width (Cross-section) | 8.07 in | 205 mm |
| Sidewall Cushion Height | 4.44 in | 112.8 mm |
| Circumference (Rolling Distance) | 78.16 in | 1985.3 mm |
| Revolutions per Distance | 836 revs/mile | 519 revs/km |
| Wheel Rim Diameter | 16 in | 406.4 mm |
| Approved Rim Width Range | 5.5" – 7.2" | 140 – 183 mm |
| Measuring / Ideal Rim Width | 6.3 in | 160 mm |
| Aspect Ratio (Profile %) | 55% of section width | |
What 205/55R16 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.
Safe Alternative Sizes for 205/55R16 (±3% Rule)
These tire sizes stay within 3% of the 24.88" original diameter, keeping speedometer error minimal and preventing ABS/traction control faults.
Popular Comparisons with 205/55R16
Frequently Asked Questions about 205/55R16
What size is 205/55R16 in inches?
The 205/55R16 tire measures approximately 24.88" in overall diameter, 8.07" in section width (tread/sidewall cross-section), and is mounted on a 16" diameter wheel rim.
What rim width is recommended for 205/55R16?
The approved rim width range for 205/55R16 is 5.5" to 7.2" wide, with an ideal measuring rim width of 6.3" for optimal tread contact and even wear.
What are the closest safe alternative sizes for 205/55R16?
The closest safe tire sizes within the industry standard ±3% diameter limit include 225/50R16. These sizes maintain accurate speedometer calibration and clearance.
How many revolutions per mile does 205/55R16 make?
A standard 205/55R16 tire rotates approximately 836 revolutions per mile (519 revs per kilometer) at normal inflation pressure and rolling radius.