225/80R15 tire size in inches
A 225/80R15 tire measures
29.2" tall × 8.9" wide
7.09" sidewall on a 15" wheel. 691 revolutions per mile.
225/80R15 means a tire 225 mm wide, with sidewalls 80% as tall as the tire is wide (180 mm), radial construction (R), for a 15 inch wheel.
225/80R15 specs
| Overall diameter (height) | 29.17 inches (741 mm) |
|---|---|
| Section width | 8.86 inches (225 mm) |
| Sidewall height | 7.09 inches (180 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 91.7 inches (2,328 mm) |
| Revolutions per mile | 691 |
| Revolutions per kilometer | 430 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 29.2x8.9R15 |
| 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 225/80R15 on a 15" wheel
These 15" sizes are within 3% of 225/80R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 275/65R15 | 29.07" | 10.83" | −0.3% | 59.8 mph | Compare |
| 255/70R15 | 29.06" | 10.04" | −0.4% | 59.8 mph | Compare |
| 215/85R15 | 29.39" | 8.46" | +0.7% | 60.4 mph | Compare |
| 245/75R15 | 29.47" | 9.65" | +1.0% | 60.6 mph | Compare |
| 235/75R15 | 28.88" | 9.25" | −1.0% | 59.4 mph | Compare |
| 285/65R15 | 29.59" | 11.22" | +1.4% | 60.9 mph | Compare |
| 265/70R15 | 29.61" | 10.43" | +1.5% | 60.9 mph | Compare |
| 205/85R15 | 28.72" | 8.07" | −1.6% | 59.1 mph | Compare |
| 265/65R15 | 28.56" | 10.43" | −2.1% | 58.7 mph | Compare |
| 235/80R15 | 29.80" | 9.25" | +2.2% | 61.3 mph | Compare |
| 215/80R15 | 28.54" | 8.46" | −2.2% | 58.7 mph | Compare |
| 245/70R15 | 28.50" | 9.65" | −2.3% | 58.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 235/55R19 | 19" | 29.18" | 0.0% | Compare |
| 315/45R18 | 18" | 29.16" | 0.0% | Compare |
| 215/60R19 | 19" | 29.16" | −0.1% | Compare |
| 345/30R21 | 21" | 29.15" | −0.1% | Compare |
| 305/30R22 | 22" | 29.20" | +0.1% | Compare |
| 265/25R24 | 24" | 29.22" | +0.1% | Compare |
| 295/35R21 | 21" | 29.13" | −0.1% | Compare |
| 285/50R18 | 18" | 29.22" | +0.2% | Compare |
| 335/35R20 | 20" | 29.23" | +0.2% | Compare |
| 325/40R19 | 19" | 29.24" | +0.2% | Compare |
| 205/75R17 | 17" | 29.11" | −0.2% | Compare |
| 235/60R18 | 18" | 29.10" | −0.2% | Compare |
One size up or down
- 215/80R15narrower: 28.5" × 8.5"
- 235/80R15wider: 29.8" × 9.3"
- 225/75R15lower profile: 28.3" × 8.9"
- 225/85R15taller sidewall: 30.1" × 8.9"
Compare 225/80R15 with another size
Questions
- How tall is a 225/80R15 tire?
- A 225/80R15 tire is 29.2 inches tall (741 mm), calculated from the size. It is 8.9 inches wide with 7.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 225/80R15 mean?
- 225/80R15 means a tire 225 mm wide, with sidewalls 80% as tall as the tire is wide (180 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 225/80R15 tire make?
- About 691 revolutions per mile, based on a circumference of 91.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 225/80R15 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 275/65R15 instead of 225/80R15?
- 275/65R15 is −0.10 inches (−0.3%) in overall diameter, so at an indicated 60 mph you would be doing 59.8 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.