205/85R13 tire size in inches
A 205/85R13 tire measures
26.7" tall × 8.1" wide
6.86" sidewall on a 13" wheel. 755 revolutions per mile.
205/85R13 means a tire 205 mm wide, with sidewalls 85% as tall as the tire is wide (174 mm), radial construction (R), for a 13 inch wheel.
205/85R13 specs
| Overall diameter (height) | 26.72 inches (679 mm) |
|---|---|
| Section width | 8.07 inches (205 mm) |
| Sidewall height | 6.86 inches (174 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 83.9 inches (2,132 mm) |
| Revolutions per mile | 755 |
| Revolutions per kilometer | 469 |
| Approximate rim width | 5.5" to 7.0" |
| In inches (flotation style) | 26.7x8.1R13 |
| 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 205/85R13 on a 13" wheel
These 13" sizes are within 3% of 205/85R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/75R13 | 26.88" | 9.25" | +0.6% | 60.4 mph | Compare |
| 215/80R13 | 26.54" | 8.46" | −0.7% | 59.6 mph | Compare |
| 245/70R13 | 26.50" | 9.65" | −0.8% | 59.5 mph | Compare |
| 225/75R13 | 26.29" | 8.86" | −1.6% | 59.0 mph | Compare |
| 225/80R13 | 27.17" | 8.86" | +1.7% | 61.0 mph | Compare |
| 195/85R13 | 26.05" | 7.68" | −2.5% | 58.5 mph | Compare |
| 215/85R13 | 27.39" | 8.46" | +2.5% | 61.5 mph | Compare |
| 245/75R13 | 27.47" | 9.65" | +2.8% | 61.7 mph | Compare |
| 235/70R13 | 25.95" | 9.25" | −2.9% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/40R19 | 19" | 26.72" | 0.0% | Compare |
| 175/85R15 | 15" | 26.71" | 0.0% | Compare |
| 285/30R20 | 20" | 26.73" | 0.0% | Compare |
| 215/75R14 | 14" | 26.70" | −0.1% | Compare |
| 225/55R17 | 17" | 26.74" | +0.1% | Compare |
| 275/45R17 | 17" | 26.74" | +0.1% | Compare |
| 195/70R16 | 16" | 26.75" | +0.1% | Compare |
| 245/35R20 | 20" | 26.75" | +0.1% | Compare |
| 205/60R17 | 17" | 26.69" | −0.1% | Compare |
| 245/45R18 | 18" | 26.68" | −0.1% | Compare |
| 315/35R18 | 18" | 26.68" | −0.1% | Compare |
| 325/30R19 | 19" | 26.68" | −0.2% | Compare |
One size up or down
Compare 205/85R13 with another size
Questions
- How tall is a 205/85R13 tire?
- A 205/85R13 tire is 26.7 inches tall (679 mm), calculated from the size. It is 8.1 inches wide with 6.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 205/85R13 mean?
- 205/85R13 means a tire 205 mm wide, with sidewalls 85% as tall as the tire is wide (174 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 205/85R13 tire make?
- About 755 revolutions per mile, based on a circumference of 83.9 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 205/85R13 tire?
- Roughly 5.5" to 7.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 235/75R13 instead of 205/85R13?
- 235/75R13 is +0.16 inches (+0.6%) in overall diameter, so at an indicated 60 mph you would be doing 60.4 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.