175/80R16 Tire Size Specifications
Complete dimensional breakdown in inches and millimeters, approved wheel rim widths, vehicle fitments, speedometer error tables, and safe plus-sizing alternatives.
175/80R16 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 | 27.02 in | 686.3 mm |
| Section Width (Cross-section) | 6.89 in | 175 mm |
| Sidewall Cushion Height | 5.51 in | 140 mm |
| Circumference (Rolling Distance) | 84.9 in | 2156.5 mm |
| Revolutions per Distance | 769 revs/mile | 478 revs/km |
| Wheel Rim Diameter | 16 in | 406.4 mm |
| Approved Rim Width Range | 4.7" – 6.1" | 119 – 155 mm |
| Measuring / Ideal Rim Width | 5.4 in | 137 mm |
| Aspect Ratio (Profile %) | 80% of section width | |
What 175/80R16 Is Typically Used For
Dimensions in this range are typical of pickups, SUVs and off-road fitments, where load capacity and sidewall strength matter more than steering response.
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 175/80R16 (±3% Rule)
These tire sizes stay within 3% of the 27.02" original diameter, keeping speedometer error minimal and preventing ABS/traction control faults.
Popular Comparisons with 175/80R16
Frequently Asked Questions about 175/80R16
What size is 175/80R16 in inches?
The 175/80R16 tire measures approximately 27.02" in overall diameter, 6.89" in section width (tread/sidewall cross-section), and is mounted on a 16" diameter wheel rim.
What rim width is recommended for 175/80R16?
The approved rim width range for 175/80R16 is 4.7" to 6.1" wide, with an ideal measuring rim width of 5.4" for optimal tread contact and even wear.
What are the closest safe alternative sizes for 175/80R16?
The closest safe tire sizes within the industry standard ±3% diameter limit include 215/65R16. These sizes maintain accurate speedometer calibration and clearance.
How many revolutions per mile does 175/80R16 make?
A standard 175/80R16 tire rotates approximately 769 revolutions per mile (478 revs per kilometer) at normal inflation pressure and rolling radius.