235/85R14 tire size in inches
A 235/85R14 tire measures
29.7" tall × 9.3" wide
7.86" sidewall on a 14" wheel. 678 revolutions per mile.
235/85R14 means a tire 235 mm wide, with sidewalls 85% as tall as the tire is wide (200 mm), radial construction (R), for a 14 inch wheel.
235/85R14 specs
| Overall diameter (height) | 29.73 inches (755 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 7.86 inches (200 mm) |
| Wheel (rim) diameter | 14 inches |
| Circumference | 93.4 inches (2,372 mm) |
| Revolutions per mile | 678 |
| Revolutions per kilometer | 422 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 29.7x9.3R14 |
| 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 235/85R14 on a 14" wheel
These 14" sizes are within 3% of 235/85R14's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/75R14 | 29.65" | 10.43" | −0.3% | 59.8 mph | Compare |
| 245/80R14 | 29.43" | 9.65" | −1.0% | 59.4 mph | Compare |
| 255/80R14 | 30.06" | 10.04" | +1.1% | 60.7 mph | Compare |
| 225/85R14 | 29.06" | 8.86" | −2.3% | 58.6 mph | Compare |
| 245/85R14 | 30.40" | 9.65" | +2.3% | 61.4 mph | Compare |
| 255/75R14 | 29.06" | 10.04" | −2.3% | 58.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/85R16 | 16" | 29.72" | 0.0% | Compare |
| 245/40R22 | 22" | 29.72" | 0.0% | Compare |
| 225/55R20 | 20" | 29.74" | +0.1% | Compare |
| 275/45R20 | 20" | 29.74" | +0.1% | Compare |
| 215/75R17 | 17" | 29.70" | −0.1% | Compare |
| 245/45R21 | 21" | 29.68" | −0.2% | Compare |
| 295/55R17 | 17" | 29.78" | +0.2% | Compare |
| 315/35R21 | 21" | 29.68" | −0.2% | Compare |
| 325/30R22 | 22" | 29.68" | −0.2% | Compare |
| 355/35R20 | 20" | 29.78" | +0.2% | Compare |
| 275/40R21 | 21" | 29.66" | −0.2% | Compare |
| 235/80R15 | 15" | 29.80" | +0.3% | Compare |
One size up or down
Compare 235/85R14 with another size
Questions
- How tall is a 235/85R14 tire?
- A 235/85R14 tire is 29.7 inches tall (755 mm), calculated from the size. It is 9.3 inches wide with 7.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/85R14 mean?
- 235/85R14 means a tire 235 mm wide, with sidewalls 85% as tall as the tire is wide (200 mm), radial construction (R), for a 14 inch wheel.
- How many revolutions per mile does a 235/85R14 tire make?
- About 678 revolutions per mile, based on a circumference of 93.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/85R14 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 265/75R14 instead of 235/85R14?
- 265/75R14 is −0.08 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.