245/85R14 tire size in inches
A 245/85R14 tire measures
30.4" tall × 9.6" wide
8.20" sidewall on a 14" wheel. 663 revolutions per mile.
245/85R14 means a tire 245 mm wide, with sidewalls 85% as tall as the tire is wide (208 mm), radial construction (R), for a 14 inch wheel.
245/85R14 specs
| Overall diameter (height) | 30.40 inches (772 mm) |
|---|---|
| Section width | 9.65 inches (245 mm) |
| Sidewall height | 8.20 inches (208 mm) |
| Wheel (rim) diameter | 14 inches |
| Circumference | 95.5 inches (2,426 mm) |
| Revolutions per mile | 663 |
| Revolutions per kilometer | 412 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 30.4x9.6R14 |
| Aspect ratio | 85% |
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 245/85R14 on a 14" wheel
These 14" sizes are within 3% of 245/85R14's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/80R14 | 30.69" | 10.43" | +1.0% | 60.6 mph | Compare |
| 255/80R14 | 30.06" | 10.04" | −1.1% | 59.3 mph | Compare |
| 235/85R14 | 29.73" | 9.25" | −2.2% | 58.7 mph | Compare |
| 255/85R14 | 31.07" | 10.04" | +2.2% | 61.3 mph | Compare |
| 265/75R14 | 29.65" | 10.43" | −2.5% | 58.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 325/25R24 | 24" | 30.40" | 0.0% | Compare |
| 225/70R18 | 18" | 30.40" | 0.0% | Compare |
| 315/50R18 | 18" | 30.40" | 0.0% | Compare |
| 305/35R22 | 22" | 30.41" | 0.0% | Compare |
| 215/85R16 | 16" | 30.39" | 0.0% | Compare |
| 265/45R21 | 21" | 30.39" | 0.0% | Compare |
| 355/30R22 | 22" | 30.39" | 0.0% | Compare |
| 245/80R15 | 15" | 30.43" | +0.1% | Compare |
| 265/50R20 | 20" | 30.43" | +0.1% | Compare |
| 265/40R22 | 22" | 30.35" | −0.2% | Compare |
| 295/45R20 | 20" | 30.45" | +0.2% | Compare |
| 285/55R18 | 18" | 30.34" | −0.2% | Compare |
One size up or down
Compare 245/85R14 with another size
Questions
- How tall is a 245/85R14 tire?
- A 245/85R14 tire is 30.4 inches tall (772 mm), calculated from the size. It is 9.6 inches wide with 8.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 245/85R14 mean?
- 245/85R14 means a tire 245 mm wide, with sidewalls 85% as tall as the tire is wide (208 mm), radial construction (R), for a 14 inch wheel.
- How many revolutions per mile does a 245/85R14 tire make?
- About 663 revolutions per mile, based on a circumference of 95.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 245/85R14 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 265/80R14 instead of 245/85R14?
- 265/80R14 is +0.30 inches (+1.0%) 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.