355/35R20 tire size in inches
A 355/35R20 tire measures
29.8" tall × 14.0" wide
4.89" sidewall on a 20" wheel. 677 revolutions per mile.
355/35R20 means a tire 355 mm wide, with sidewalls 35% as tall as the tire is wide (124 mm), radial construction (R), for a 20 inch wheel.
355/35R20 specs
| Overall diameter (height) | 29.78 inches (757 mm) |
|---|---|
| Section width | 13.98 inches (355 mm) |
| Sidewall height | 4.89 inches (124 mm) |
| Wheel (rim) diameter | 20 inches |
| Circumference | 93.6 inches (2,377 mm) |
| Revolutions per mile | 677 |
| Revolutions per kilometer | 421 |
| Approximate rim width | 11.5" to 13.0" |
| In inches (flotation style) | 29.8x14.0R20 |
| Aspect ratio | 35% |
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 355/35R20 on a 20" wheel
These 20" sizes are within 3% of 355/35R20's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/55R20 | 29.74" | 8.86" | −0.1% | 59.9 mph | Compare |
| 275/45R20 | 29.74" | 10.83" | −0.1% | 59.9 mph | Compare |
| 245/50R20 | 29.65" | 9.65" | −0.5% | 59.7 mph | Compare |
| 315/40R20 | 29.92" | 12.40" | +0.5% | 60.3 mph | Compare |
| 305/40R20 | 29.61" | 12.01" | −0.6% | 59.6 mph | Compare |
| 255/50R20 | 30.04" | 10.04" | +0.9% | 60.5 mph | Compare |
| 345/35R20 | 29.51" | 13.58" | −0.9% | 59.4 mph | Compare |
| 285/45R20 | 30.10" | 11.22" | +1.1% | 60.6 mph | Compare |
| 215/60R20 | 30.16" | 8.46" | +1.3% | 60.8 mph | Compare |
| 265/45R20 | 29.39" | 10.43" | −1.3% | 59.2 mph | Compare |
| 235/55R20 | 30.18" | 9.25" | +1.3% | 60.8 mph | Compare |
| 325/40R20 | 30.24" | 12.80" | +1.5% | 60.9 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 295/55R17 | 17" | 29.78" | 0.0% | Compare |
| 235/80R15 | 15" | 29.80" | +0.1% | Compare |
| 295/25R24 | 24" | 29.81" | +0.1% | Compare |
| 305/45R19 | 19" | 29.81" | +0.1% | Compare |
| 275/50R19 | 19" | 29.83" | +0.1% | Compare |
| 235/85R14 | 14" | 29.73" | −0.2% | Compare |
| 205/85R16 | 16" | 29.72" | −0.2% | Compare |
| 215/70R18 | 18" | 29.85" | +0.2% | Compare |
| 245/40R22 | 22" | 29.72" | −0.2% | Compare |
| 285/35R22 | 22" | 29.85" | +0.2% | Compare |
| 225/50R21 | 21" | 29.86" | +0.3% | Compare |
| 345/40R19 | 19" | 29.87" | +0.3% | Compare |
One size up or down
- 345/35R20narrower: 29.5" × 13.6"
- 355/30R20lower profile: 28.4" × 14.0"
- 355/40R20taller sidewall: 31.2" × 14.0"
Compare 355/35R20 with another size
Questions
- How tall is a 355/35R20 tire?
- A 355/35R20 tire is 29.8 inches tall (757 mm), calculated from the size. It is 14.0 inches wide with 4.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 355/35R20 mean?
- 355/35R20 means a tire 355 mm wide, with sidewalls 35% as tall as the tire is wide (124 mm), radial construction (R), for a 20 inch wheel.
- How many revolutions per mile does a 355/35R20 tire make?
- About 677 revolutions per mile, based on a circumference of 93.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 355/35R20 tire?
- Roughly 11.5" to 13.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 225/55R20 instead of 355/35R20?
- 225/55R20 is −0.04 inches (−0.1%) 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.