225/35R20 tire size in inches
A 225/35R20 tire measures
26.2" tall × 8.9" wide
3.10" sidewall on a 20" wheel. 770 revolutions per mile.
225/35R20 means a tire 225 mm wide, with sidewalls 35% as tall as the tire is wide (79 mm), radial construction (R), for a 20 inch wheel.
225/35R20 specs
| Overall diameter (height) | 26.20 inches (666 mm) |
|---|---|
| Section width | 8.86 inches (225 mm) |
| Sidewall height | 3.10 inches (79 mm) |
| Wheel (rim) diameter | 20 inches |
| Circumference | 82.3 inches (2,091 mm) |
| Revolutions per mile | 770 |
| Revolutions per kilometer | 478 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 26.2x8.9R20 |
| 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 225/35R20 on a 20" wheel
These 20" sizes are within 3% of 225/35R20's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 315/25R20 | 26.20" | 12.40" | 0.0% | 60.0 mph | Compare |
| 265/30R20 | 26.26" | 10.43" | +0.2% | 60.1 mph | Compare |
| 255/30R20 | 26.02" | 10.04" | −0.7% | 59.6 mph | Compare |
| 305/25R20 | 26.00" | 12.01" | −0.8% | 59.5 mph | Compare |
| 325/25R20 | 26.40" | 12.80" | +0.8% | 60.5 mph | Compare |
| 235/35R20 | 26.48" | 9.25" | +1.1% | 60.6 mph | Compare |
| 215/35R20 | 25.93" | 8.46" | −1.1% | 59.4 mph | Compare |
| 275/30R20 | 26.50" | 10.83" | +1.1% | 60.7 mph | Compare |
| 295/25R20 | 25.81" | 11.61" | −1.5% | 59.1 mph | Compare |
| 335/25R20 | 26.59" | 13.19" | +1.5% | 60.9 mph | Compare |
| 245/30R20 | 25.79" | 9.65" | −1.6% | 59.1 mph | Compare |
| 285/30R20 | 26.73" | 11.22" | +2.0% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 185/70R16 | 16" | 26.20" | 0.0% | Compare |
| 305/30R19 | 19" | 26.20" | 0.0% | Compare |
| 195/60R17 | 17" | 26.21" | 0.0% | Compare |
| 265/25R21 | 21" | 26.22" | +0.1% | Compare |
| 285/50R15 | 15" | 26.22" | +0.1% | Compare |
| 235/55R16 | 16" | 26.18" | −0.1% | Compare |
| 215/60R16 | 16" | 26.16" | −0.2% | Compare |
| 235/50R17 | 17" | 26.25" | +0.2% | Compare |
| 205/45R19 | 19" | 26.26" | +0.2% | Compare |
| 295/35R18 | 18" | 26.13" | −0.3% | Compare |
| 195/80R14 | 14" | 26.28" | +0.3% | Compare |
| 225/75R13 | 13" | 26.29" | +0.3% | Compare |
One size up or down
- 215/35R20narrower: 25.9" × 8.5"
- 235/35R20wider: 26.5" × 9.3"
- 225/30R20lower profile: 25.3" × 8.9"
- 225/40R20taller sidewall: 27.1" × 8.9"
Compare 225/35R20 with another size
Questions
- How tall is a 225/35R20 tire?
- A 225/35R20 tire is 26.2 inches tall (666 mm), calculated from the size. It is 8.9 inches wide with 3.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 225/35R20 mean?
- 225/35R20 means a tire 225 mm wide, with sidewalls 35% as tall as the tire is wide (79 mm), radial construction (R), for a 20 inch wheel.
- How many revolutions per mile does a 225/35R20 tire make?
- About 770 revolutions per mile, based on a circumference of 82.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 225/35R20 tire?
- Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 315/25R20 instead of 225/35R20?
- 315/25R20 is 0.00 inches (0.0%) 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.