245/70R13 tire size in inches
A 245/70R13 tire measures
26.5" tall × 9.6" wide
6.75" sidewall on a 13" wheel. 761 revolutions per mile.
245/70R13 means a tire 245 mm wide, with sidewalls 70% as tall as the tire is wide (172 mm), radial construction (R), for a 13 inch wheel.
245/70R13 specs
| Overall diameter (height) | 26.50 inches (673 mm) |
|---|---|
| Section width | 9.65 inches (245 mm) |
| Sidewall height | 6.75 inches (172 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 83.3 inches (2,115 mm) |
| Revolutions per mile | 761 |
| Revolutions per kilometer | 473 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 26.5x9.6R13 |
| 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 245/70R13 on a 13" wheel
These 13" sizes are within 3% of 245/70R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 215/80R13 | 26.54" | 8.46" | +0.1% | 60.1 mph | Compare |
| 205/85R13 | 26.72" | 8.07" | +0.8% | 60.5 mph | Compare |
| 225/75R13 | 26.29" | 8.86" | −0.8% | 59.5 mph | Compare |
| 235/75R13 | 26.88" | 9.25" | +1.4% | 60.8 mph | Compare |
| 195/85R13 | 26.05" | 7.68" | −1.7% | 59.0 mph | Compare |
| 235/70R13 | 25.95" | 9.25" | −2.1% | 58.8 mph | Compare |
| 205/80R13 | 25.91" | 8.07" | −2.2% | 58.7 mph | Compare |
| 225/80R13 | 27.17" | 8.86" | +2.5% | 61.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 275/30R20 | 20" | 26.50" | 0.0% | Compare |
| 205/65R16 | 16" | 26.49" | 0.0% | Compare |
| 195/75R15 | 15" | 26.52" | 0.0% | Compare |
| 225/65R15 | 15" | 26.52" | 0.0% | Compare |
| 265/60R14 | 14" | 26.52" | +0.1% | Compare |
| 235/35R20 | 20" | 26.48" | −0.1% | Compare |
| 265/55R15 | 15" | 26.48" | −0.1% | Compare |
| 185/65R17 | 17" | 26.47" | −0.1% | Compare |
| 245/65R14 | 14" | 26.54" | +0.1% | Compare |
| 215/50R18 | 18" | 26.46" | −0.1% | Compare |
| 235/30R21 | 21" | 26.55" | +0.2% | Compare |
| 295/45R16 | 16" | 26.45" | −0.2% | Compare |
One size up or down
- 235/70R13narrower: 26.0" × 9.3"
- 245/65R13lower profile: 25.5" × 9.6"
- 245/75R13taller sidewall: 27.5" × 9.6"
Compare 245/70R13 with another size
Questions
- How tall is a 245/70R13 tire?
- A 245/70R13 tire is 26.5 inches tall (673 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 245/70R13 mean?
- 245/70R13 means a tire 245 mm wide, with sidewalls 70% as tall as the tire is wide (172 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 245/70R13 tire make?
- About 761 revolutions per mile, based on a circumference of 83.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 245/70R13 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 215/80R13 instead of 245/70R13?
- 215/80R13 is +0.04 inches (+0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.