235/60R20 tire size in inches
A 235/60R20 tire measures
31.1" tall × 9.3" wide
5.55" sidewall on a 20" wheel. 648 revolutions per mile.
235/60R20 means a tire 235 mm wide, with sidewalls 60% as tall as the tire is wide (141 mm), radial construction (R), for a 20 inch wheel.
235/60R20 specs
| Overall diameter (height) | 31.10 inches (790 mm) |
|---|---|
| Section width | 9.25 inches (235 mm) |
| Sidewall height | 5.55 inches (141 mm) |
| Wheel (rim) diameter | 20 inches |
| Circumference | 97.7 inches (2,482 mm) |
| Revolutions per mile | 648 |
| Revolutions per kilometer | 403 |
| Approximate rim width | 6.0" to 7.5" |
| In inches (flotation style) | 31.1x9.3R20 |
| Aspect ratio | 60% |
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 235/60R20 on a 20" wheel
These 20" sizes are within 3% of 235/60R20's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/55R20 | 31.04" | 10.04" | −0.2% | 59.9 mph | Compare |
| 315/45R20 | 31.16" | 12.40" | +0.2% | 60.1 mph | Compare |
| 355/40R20 | 31.18" | 13.98" | +0.3% | 60.2 mph | Compare |
| 215/65R20 | 31.00" | 8.46" | −0.3% | 59.8 mph | Compare |
| 285/50R20 | 31.22" | 11.22" | +0.4% | 60.2 mph | Compare |
| 345/40R20 | 30.87" | 13.58" | −0.8% | 59.5 mph | Compare |
| 275/50R20 | 30.83" | 10.83" | −0.9% | 59.5 mph | Compare |
| 305/45R20 | 30.81" | 12.01" | −0.9% | 59.4 mph | Compare |
| 265/55R20 | 31.48" | 10.43" | +1.2% | 60.7 mph | Compare |
| 225/65R20 | 31.52" | 8.86" | +1.3% | 60.8 mph | Compare |
| 325/45R20 | 31.52" | 12.80" | +1.3% | 60.8 mph | Compare |
| 225/60R20 | 30.63" | 8.86" | −1.5% | 59.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 285/45R21 | 21" | 31.10" | 0.0% | Compare |
| 295/65R16 | 16" | 31.10" | 0.0% | Compare |
| 275/65R17 | 17" | 31.07" | −0.1% | Compare |
| 255/85R14 | 14" | 31.07" | −0.1% | Compare |
| 255/80R15 | 15" | 31.06" | −0.1% | Compare |
| 225/85R16 | 16" | 31.06" | −0.1% | Compare |
| 255/75R16 | 16" | 31.06" | −0.1% | Compare |
| 255/70R17 | 17" | 31.06" | −0.2% | Compare |
| 255/65R18 | 18" | 31.05" | −0.2% | Compare |
| 255/60R19 | 19" | 31.05" | −0.2% | Compare |
| 275/70R16 | 16" | 31.16" | +0.2% | Compare |
| 255/50R21 | 21" | 31.04" | −0.2% | Compare |
One size up or down
- 225/60R20narrower: 30.6" × 8.9"
- 245/60R20wider: 31.6" × 9.6"
- 235/55R20lower profile: 30.2" × 9.3"
- 235/65R20taller sidewall: 32.0" × 9.3"
Compare 235/60R20 with another size
Questions
- How tall is a 235/60R20 tire?
- A 235/60R20 tire is 31.1 inches tall (790 mm), calculated from the size. It is 9.3 inches wide with 5.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 235/60R20 mean?
- 235/60R20 means a tire 235 mm wide, with sidewalls 60% as tall as the tire is wide (141 mm), radial construction (R), for a 20 inch wheel.
- How many revolutions per mile does a 235/60R20 tire make?
- About 648 revolutions per mile, based on a circumference of 97.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 235/60R20 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 255/55R20 instead of 235/60R20?
- 255/55R20 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.