245/80R15 tire size in inches
A 245/80R15 tire measures
30.4" tall × 9.6" wide
7.72" sidewall on a 15" wheel. 663 revolutions per mile.
245/80R15 means a tire 245 mm wide, with sidewalls 80% as tall as the tire is wide (196 mm), radial construction (R), for a 15 inch wheel.
245/80R15 specs
| Overall diameter (height) | 30.43 inches (773 mm) |
|---|---|
| Section width | 9.65 inches (245 mm) |
| Sidewall height | 7.72 inches (196 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 95.6 inches (2,428 mm) |
| Revolutions per mile | 663 |
| Revolutions per kilometer | 412 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 30.4x9.6R15 |
| 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 245/80R15 on a 15" wheel
These 15" sizes are within 3% of 245/80R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/75R15 | 30.65" | 10.43" | +0.7% | 60.4 mph | Compare |
| 275/70R15 | 30.16" | 10.83" | −0.9% | 59.5 mph | Compare |
| 285/70R15 | 30.71" | 11.22" | +0.9% | 60.5 mph | Compare |
| 235/85R15 | 30.73" | 9.25" | +1.0% | 60.6 mph | Compare |
| 225/85R15 | 30.06" | 8.86" | −1.2% | 59.3 mph | Compare |
| 255/75R15 | 30.06" | 10.04" | −1.2% | 59.3 mph | Compare |
| 30x9.50R15 | 30.00" | 9.50" | −1.4% | 59.1 mph | Compare |
| 31x10.50R15 | 31.00" | 10.50" | +1.9% | 61.1 mph | Compare |
| 235/80R15 | 29.80" | 9.25" | −2.1% | 58.8 mph | Compare |
| 255/80R15 | 31.06" | 10.04" | +2.1% | 61.2 mph | Compare |
| 275/75R15 | 31.24" | 10.83" | +2.7% | 61.6 mph | Compare |
| 265/70R15 | 29.61" | 10.43" | −2.7% | 58.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/50R20 | 20" | 30.43" | 0.0% | Compare |
| 295/45R20 | 20" | 30.45" | +0.1% | Compare |
| 305/35R22 | 22" | 30.41" | −0.1% | Compare |
| 225/70R18 | 18" | 30.40" | −0.1% | Compare |
| 285/60R17 | 17" | 30.46" | +0.1% | Compare |
| 315/50R18 | 18" | 30.40" | −0.1% | Compare |
| 245/85R14 | 14" | 30.40" | −0.1% | Compare |
| 245/75R16 | 16" | 30.47" | +0.1% | Compare |
| 325/25R24 | 24" | 30.40" | −0.1% | Compare |
| 265/55R19 | 19" | 30.48" | +0.1% | Compare |
| 215/85R16 | 16" | 30.39" | −0.1% | Compare |
| 265/45R21 | 21" | 30.39" | −0.1% | Compare |
One size up or down
- 235/80R15narrower: 29.8" × 9.3"
- 255/80R15wider: 31.1" × 10.0"
- 245/75R15lower profile: 29.5" × 9.6"
- 245/85R15taller sidewall: 31.4" × 9.6"
Compare 245/80R15 with another size
Questions
- How tall is a 245/80R15 tire?
- A 245/80R15 tire is 30.4 inches tall (773 mm), calculated from the size. It is 9.6 inches wide with 7.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 245/80R15 mean?
- 245/80R15 means a tire 245 mm wide, with sidewalls 80% as tall as the tire is wide (196 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 245/80R15 tire make?
- About 663 revolutions per mile, based on a circumference of 95.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 245/80R15 tire?
- Roughly 6.5" to 8.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/75R15 instead of 245/80R15?
- 265/75R15 is +0.22 inches (+0.7%) 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.