235/80R16 tire size in inches
A 235/80R16 tire measures
30.8" tall × 9.3" wide
7.40" sidewall on a 16" wheel. 655 revolutions per mile.
235/80R16 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 16 inch wheel.
235/80R16 specs
| Overall diameter (height) | 30.80 inches (782 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 7.40 inches (188 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 96.8 inches (2,458 mm) |
| Revolutions per mile | 655 |
| Revolutions per kilometer | 407 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 30.8x9.3R16 |
| Aspect ratio | 80% |
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 235/80R16 on a 16" wheel
These 16" sizes are within 3% of 235/80R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/70R16 | 30.61" | 10.43" | −0.6% | 59.6 mph | Compare |
| 285/65R16 | 30.59" | 11.22" | −0.7% | 59.6 mph | Compare |
| 225/85R16 | 31.06" | 8.86" | +0.8% | 60.5 mph | Compare |
| 255/75R16 | 31.06" | 10.04" | +0.8% | 60.5 mph | Compare |
| 295/65R16 | 31.10" | 11.61" | +1.0% | 60.6 mph | Compare |
| 245/75R16 | 30.47" | 9.65" | −1.1% | 59.3 mph | Compare |
| 275/70R16 | 31.16" | 10.83" | +1.2% | 60.7 mph | Compare |
| 215/85R16 | 30.39" | 8.46" | −1.3% | 59.2 mph | Compare |
| 225/80R16 | 30.17" | 8.86" | −2.0% | 58.8 mph | Compare |
| 245/80R16 | 31.43" | 9.65" | +2.0% | 61.2 mph | Compare |
| 275/65R16 | 30.07" | 10.83" | −2.4% | 58.6 mph | Compare |
| 255/70R16 | 30.06" | 10.04" | −2.4% | 58.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 305/45R20 | 20" | 30.81" | 0.0% | Compare |
| 325/50R18 | 18" | 30.80" | 0.0% | Compare |
| 345/25R24 | 24" | 30.79" | 0.0% | Compare |
| 355/35R21 | 21" | 30.78" | −0.1% | Compare |
| 275/50R20 | 20" | 30.83" | +0.1% | Compare |
| 295/55R18 | 18" | 30.78" | −0.1% | Compare |
| 225/55R21 | 21" | 30.74" | −0.2% | Compare |
| 275/45R21 | 21" | 30.74" | −0.2% | Compare |
| 345/40R20 | 20" | 30.87" | +0.2% | Compare |
| 335/45R19 | 19" | 30.87" | +0.2% | Compare |
| 285/30R24 | 24" | 30.73" | −0.2% | Compare |
| 235/75R17 | 17" | 30.88" | +0.2% | Compare |
One size up or down
- 225/80R16narrower: 30.2" × 8.9"
- 245/80R16wider: 31.4" × 9.6"
- 235/75R16lower profile: 29.9" × 9.3"
- 235/85R16taller sidewall: 31.7" × 9.3"
Compare 235/80R16 with another size
Questions
- How tall is a 235/80R16 tire?
- A 235/80R16 tire is 30.8 inches tall (782 mm), calculated from the size. It is 9.3 inches wide with 7.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/80R16 mean?
- 235/80R16 means a tire 235 mm wide, with sidewalls 80% as tall as the tire is wide (188 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 235/80R16 tire make?
- About 655 revolutions per mile, based on a circumference of 96.8 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/80R16 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 265/70R16 instead of 235/80R16?
- 265/70R16 is −0.20 inches (−0.6%) in overall diameter, so at an indicated 60 mph you would be doing 59.6 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.