245/70R15 tire size in inches
A 245/70R15 tire measures
28.5" tall × 9.6" wide
6.75" sidewall on a 15" wheel. 708 revolutions per mile.
245/70R15 means a tire 245 mm wide, with sidewalls 70% as tall as the tire is wide (172 mm), radial construction (R), for a 15 inch wheel.
245/70R15 specs
| Overall diameter (height) | 28.50 inches (724 mm) |
|---|---|
| Section width | 9.65 inches (245 mm) |
| Sidewall height | 6.75 inches (172 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 89.5 inches (2,275 mm) |
| Revolutions per mile | 708 |
| Revolutions per kilometer | 440 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 28.5x9.6R15 |
| Aspect ratio | 70% |
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 245/70R15 on a 15" wheel
These 15" sizes are within 3% of 245/70R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 285/60R15 | 28.46" | 11.22" | −0.1% | 59.9 mph | Compare |
| 215/80R15 | 28.54" | 8.46" | +0.1% | 60.1 mph | Compare |
| 265/65R15 | 28.56" | 10.43" | +0.2% | 60.1 mph | Compare |
| 205/85R15 | 28.72" | 8.07" | +0.8% | 60.5 mph | Compare |
| 225/75R15 | 28.29" | 8.86" | −0.8% | 59.5 mph | Compare |
| 235/75R15 | 28.88" | 9.25" | +1.3% | 60.8 mph | Compare |
| 195/85R15 | 28.05" | 7.68" | −1.6% | 59.0 mph | Compare |
| 255/65R15 | 28.05" | 10.04" | −1.6% | 59.0 mph | Compare |
| 275/60R15 | 27.99" | 10.83" | −1.8% | 58.9 mph | Compare |
| 235/70R15 | 27.95" | 9.25" | −1.9% | 58.8 mph | Compare |
| 255/70R15 | 29.06" | 10.04" | +1.9% | 61.2 mph | Compare |
| 275/65R15 | 29.07" | 10.83" | +2.0% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 345/35R19 | 19" | 28.51" | 0.0% | Compare |
| 275/30R22 | 22" | 28.50" | 0.0% | Compare |
| 205/65R18 | 18" | 28.49" | 0.0% | Compare |
| 195/75R17 | 17" | 28.52" | 0.0% | Compare |
| 225/65R17 | 17" | 28.52" | 0.0% | Compare |
| 265/60R16 | 16" | 28.52" | +0.1% | Compare |
| 235/35R22 | 22" | 28.48" | −0.1% | Compare |
| 265/55R17 | 17" | 28.48" | −0.1% | Compare |
| 245/75R14 | 14" | 28.47" | −0.1% | Compare |
| 245/65R16 | 16" | 28.54" | +0.1% | Compare |
| 215/50R20 | 20" | 28.46" | −0.1% | Compare |
| 335/40R18 | 18" | 28.55" | +0.2% | Compare |
One size up or down
- 235/70R15narrower: 28.0" × 9.3"
- 255/70R15wider: 29.1" × 10.0"
- 245/65R15lower profile: 27.5" × 9.6"
- 245/75R15taller sidewall: 29.5" × 9.6"
Compare 245/70R15 with another size
Questions
- How tall is a 245/70R15 tire?
- A 245/70R15 tire is 28.5 inches tall (724 mm), calculated from the size. It is 9.6 inches wide with 6.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 245/70R15 mean?
- 245/70R15 means a tire 245 mm wide, with sidewalls 70% as tall as the tire is wide (172 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 245/70R15 tire make?
- About 708 revolutions per mile, based on a circumference of 89.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 245/70R15 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 285/60R15 instead of 245/70R15?
- 285/60R15 is −0.04 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.