175/85R13 tire size in inches
A 175/85R13 tire measures
24.7" tall × 6.9" wide
5.86" sidewall on a 13" wheel. 816 revolutions per mile.
175/85R13 means a tire 175 mm wide, with sidewalls 85% as tall as the tire is wide (149 mm), radial construction (R), for a 13 inch wheel.
175/85R13 specs
| Overall diameter (height) | 24.71 inches (628 mm) |
|---|---|
| Section width | 6.89 inches (175 mm) |
| Sidewall height | 5.86 inches (149 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 77.6 inches (1,972 mm) |
| Revolutions per mile | 816 |
| Revolutions per kilometer | 507 |
| Approximate rim width | 4.5" to 6.0" |
| In inches (flotation style) | 24.7x6.9R13 |
| Aspect ratio | 85% |
Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.
Sizes that can replace 175/85R13 on a 13" wheel
These 13" sizes are within 3% of 175/85R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 185/80R13 | 24.65" | 7.28" | −0.2% | 59.9 mph | Compare |
| 215/70R13 | 24.85" | 8.46" | +0.6% | 60.3 mph | Compare |
| 245/60R13 | 24.57" | 9.65" | −0.6% | 59.7 mph | Compare |
| 195/75R13 | 24.52" | 7.68" | −0.8% | 59.5 mph | Compare |
| 225/65R13 | 24.52" | 8.86" | −0.8% | 59.5 mph | Compare |
| 235/65R13 | 25.03" | 9.25" | +1.3% | 60.8 mph | Compare |
| 205/75R13 | 25.11" | 8.07" | +1.6% | 61.0 mph | Compare |
| 205/70R13 | 24.30" | 8.07" | −1.7% | 59.0 mph | Compare |
| 195/80R13 | 25.28" | 7.68" | +2.3% | 61.4 mph | Compare |
| 235/60R13 | 24.10" | 9.25" | −2.5% | 58.5 mph | Compare |
| 185/85R13 | 25.38" | 7.28" | +2.7% | 61.6 mph | Compare |
| 165/85R13 | 24.04" | 6.50" | −2.7% | 58.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/40R17 | 17" | 24.72" | 0.0% | Compare |
| 185/60R16 | 16" | 24.74" | +0.1% | Compare |
| 205/60R15 | 15" | 24.69" | −0.1% | Compare |
| 165/75R15 | 15" | 24.74" | +0.1% | Compare |
| 225/55R15 | 15" | 24.74" | +0.1% | Compare |
| 245/45R16 | 16" | 24.68" | −0.1% | Compare |
| 275/45R15 | 15" | 24.74" | +0.1% | Compare |
| 195/70R14 | 14" | 24.75" | +0.1% | Compare |
| 195/50R17 | 17" | 24.68" | −0.1% | Compare |
| 245/35R18 | 18" | 24.75" | +0.2% | Compare |
| 275/40R16 | 16" | 24.66" | −0.2% | Compare |
| 215/40R18 | 18" | 24.77" | +0.2% | Compare |
One size up or down
Compare 175/85R13 with another size
Questions
- How tall is a 175/85R13 tire?
- A 175/85R13 tire is 24.7 inches tall (628 mm), calculated from the size. It is 6.9 inches wide with 5.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 175/85R13 mean?
- 175/85R13 means a tire 175 mm wide, with sidewalls 85% as tall as the tire is wide (149 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 175/85R13 tire make?
- About 816 revolutions per mile, based on a circumference of 77.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 175/85R13 tire?
- Roughly 4.5" to 6.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 185/80R13 instead of 175/85R13?
- 185/80R13 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.