215/85R13 tire size in inches
A 215/85R13 tire measures
27.4" tall × 8.5" wide
7.19" sidewall on a 13" wheel. 736 revolutions per mile.
215/85R13 means a tire 215 mm wide, with sidewalls 85% as tall as the tire is wide (183 mm), radial construction (R), for a 13 inch wheel.
215/85R13 specs
| Overall diameter (height) | 27.39 inches (696 mm) |
|---|---|
| Section width | 8.46 inches (215 mm) |
| Sidewall height | 7.19 inches (183 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 86.0 inches (2,186 mm) |
| Revolutions per mile | 736 |
| Revolutions per kilometer | 458 |
| Approximate rim width | 5.5" to 7.0" |
| In inches (flotation style) | 27.4x8.5R13 |
| 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 215/85R13 on a 13" wheel
These 13" sizes are within 3% of 215/85R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 245/75R13 | 27.47" | 9.65" | +0.3% | 60.2 mph | Compare |
| 225/80R13 | 27.17" | 8.86" | −0.8% | 59.5 mph | Compare |
| 235/80R13 | 27.80" | 9.25" | +1.5% | 60.9 mph | Compare |
| 235/75R13 | 26.88" | 9.25" | −1.9% | 58.9 mph | Compare |
| 205/85R13 | 26.72" | 8.07" | −2.4% | 58.5 mph | Compare |
| 225/85R13 | 28.06" | 8.86" | +2.4% | 61.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/45R18 | 18" | 27.39" | 0.0% | Compare |
| 355/30R19 | 19" | 27.39" | 0.0% | Compare |
| 185/85R15 | 15" | 27.38" | 0.0% | Compare |
| 325/25R21 | 21" | 27.40" | 0.0% | Compare |
| 225/70R15 | 15" | 27.40" | 0.0% | Compare |
| 235/40R20 | 20" | 27.40" | 0.0% | Compare |
| 305/35R19 | 19" | 27.41" | +0.1% | Compare |
| 275/25R22 | 22" | 27.41" | +0.1% | Compare |
| 265/50R17 | 17" | 27.43" | +0.2% | Compare |
| 265/40R19 | 19" | 27.35" | −0.2% | Compare |
| 285/55R15 | 15" | 27.34" | −0.2% | Compare |
| 315/30R20 | 20" | 27.44" | +0.2% | Compare |
One size up or down
Compare 215/85R13 with another size
Questions
- How tall is a 215/85R13 tire?
- A 215/85R13 tire is 27.4 inches tall (696 mm), calculated from the size. It is 8.5 inches wide with 7.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 215/85R13 mean?
- 215/85R13 means a tire 215 mm wide, with sidewalls 85% as tall as the tire is wide (183 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 215/85R13 tire make?
- About 736 revolutions per mile, based on a circumference of 86.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 215/85R13 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 245/75R13 instead of 215/85R13?
- 245/75R13 is +0.08 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.