235/80R13 tire size in inches
A 235/80R13 tire measures
27.8" tall × 9.3" wide
7.40" sidewall on a 13" wheel. 725 revolutions per mile.
235/80R13 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 13 inch wheel.
235/80R13 specs
| Overall diameter (height) | 27.80 inches (706 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 7.40 inches (188 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 87.3 inches (2,219 mm) |
| Revolutions per mile | 725 |
| Revolutions per kilometer | 451 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 27.8x9.3R13 |
| Aspect ratio | 80% |
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 235/80R13 on a 13" wheel
These 13" sizes are within 3% of 235/80R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/85R13 | 28.06" | 8.86" | +0.9% | 60.6 mph | Compare |
| 245/75R13 | 27.47" | 9.65" | −1.2% | 59.3 mph | Compare |
| 215/85R13 | 27.39" | 8.46" | −1.5% | 59.1 mph | Compare |
| 225/80R13 | 27.17" | 8.86" | −2.3% | 58.6 mph | Compare |
| 245/80R13 | 28.43" | 9.65" | +2.3% | 61.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 295/25R22 | 22" | 27.81" | 0.0% | Compare |
| 305/45R17 | 17" | 27.81" | 0.0% | Compare |
| 345/25R21 | 21" | 27.79" | 0.0% | Compare |
| 245/30R22 | 22" | 27.79" | −0.1% | Compare |
| 275/50R17 | 17" | 27.83" | +0.1% | Compare |
| 215/70R16 | 16" | 27.85" | +0.2% | Compare |
| 285/35R20 | 20" | 27.85" | +0.2% | Compare |
| 245/35R21 | 21" | 27.75" | −0.2% | Compare |
| 225/50R19 | 19" | 27.86" | +0.2% | Compare |
| 195/70R17 | 17" | 27.75" | −0.2% | Compare |
| 225/55R18 | 18" | 27.74" | −0.2% | Compare |
| 275/45R18 | 18" | 27.74" | −0.2% | Compare |
One size up or down
- 225/80R13narrower: 27.2" × 8.9"
- 245/80R13wider: 28.4" × 9.6"
- 235/75R13lower profile: 26.9" × 9.3"
- 235/85R13taller sidewall: 28.7" × 9.3"
Compare 235/80R13 with another size
Questions
- How tall is a 235/80R13 tire?
- A 235/80R13 tire is 27.8 inches tall (706 mm), calculated from the size. It is 9.3 inches wide with 7.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/80R13 mean?
- 235/80R13 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 235/80R13 tire make?
- About 725 revolutions per mile, based on a circumference of 87.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/80R13 tire?
- Roughly 6.0" to 7.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 225/85R13 instead of 235/80R13?
- 225/85R13 is +0.26 inches (+0.9%) in overall diameter, so at an indicated 60 mph you would be doing 60.6 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.