235/85R16 tire size in inches
A 235/85R16 tire measures
31.7" tall × 9.3" wide
7.86" sidewall on a 16" wheel. 636 revolutions per mile.
235/85R16 means a tire 235 mm wide, with sidewalls 85% as tall as the tire is wide (200 mm), radial construction (R), for a 16 inch wheel.
235/85R16 specs
| Overall diameter (height) | 31.73 inches (806 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 7.86 inches (200 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 99.7 inches (2,532 mm) |
| Revolutions per mile | 636 |
| Revolutions per kilometer | 395 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 31.7x9.3R16 |
| 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 235/85R16 on a 16" wheel
These 16" sizes are within 3% of 235/85R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 285/70R16 | 31.71" | 11.22" | −0.1% | 60.0 mph | Compare |
| 265/75R16 | 31.65" | 10.43" | −0.2% | 59.9 mph | Compare |
| 245/80R16 | 31.43" | 9.65" | −0.9% | 59.4 mph | Compare |
| 255/80R16 | 32.06" | 10.04" | +1.1% | 60.6 mph | Compare |
| 275/75R16 | 32.24" | 10.83" | +1.6% | 61.0 mph | Compare |
| 295/70R16 | 32.26" | 11.61" | +1.7% | 61.0 mph | Compare |
| 275/70R16 | 31.16" | 10.83" | −1.8% | 58.9 mph | Compare |
| 295/65R16 | 31.10" | 11.61" | −2.0% | 58.8 mph | Compare |
| 225/85R16 | 31.06" | 8.86" | −2.1% | 58.7 mph | Compare |
| 245/85R16 | 32.40" | 9.65" | +2.1% | 61.3 mph | Compare |
| 255/75R16 | 31.06" | 10.04" | −2.1% | 58.7 mph | Compare |
| 235/80R16 | 30.80" | 9.25" | −2.9% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/85R14 | 14" | 31.74" | 0.0% | Compare |
| 275/45R22 | 22" | 31.74" | 0.0% | Compare |
| 265/80R15 | 15" | 31.69" | −0.1% | Compare |
| 295/55R19 | 19" | 31.78" | +0.1% | Compare |
| 325/30R24 | 24" | 31.68" | −0.2% | Compare |
| 355/35R22 | 22" | 31.78" | +0.2% | Compare |
| 325/50R19 | 19" | 31.80" | +0.2% | Compare |
| 305/45R21 | 21" | 31.81" | +0.2% | Compare |
| 245/50R22 | 22" | 31.65" | −0.3% | Compare |
| 315/55R18 | 18" | 31.64" | −0.3% | Compare |
| 275/50R21 | 21" | 31.83" | +0.3% | Compare |
| 285/75R15 | 15" | 31.83" | +0.3% | Compare |
One size up or down
Compare 235/85R16 with another size
Questions
- How tall is a 235/85R16 tire?
- A 235/85R16 tire is 31.7 inches tall (806 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 235/85R16 mean?
- 235/85R16 means a tire 235 mm wide, with sidewalls 85% as tall as the tire is wide (200 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 235/85R16 tire make?
- About 636 revolutions per mile, based on a circumference of 99.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/85R16 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 285/70R16 instead of 235/85R16?
- 285/70R16 is −0.02 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.