265/30R20 tire size in inches
A 265/30R20 tire measures
26.3" tall × 10.4" wide
3.13" sidewall on a 20" wheel. 768 revolutions per mile.
265/30R20 means a tire 265 mm wide, with sidewalls 30% as tall as the tire is wide (80 mm), radial construction (R), for a 20 inch wheel.
265/30R20 specs
| Overall diameter (height) | 26.26 inches (667 mm) |
|---|---|
| Section width | 10.43 inches (265 mm) |
| Sidewall height | 3.13 inches (80 mm) |
| Wheel (rim) diameter | 20 inches |
| Circumference | 82.5 inches (2,095 mm) |
| Revolutions per mile | 768 |
| Revolutions per kilometer | 477 |
| Approximate rim width | 8.5" to 10.0" |
| In inches (flotation style) | 26.3x10.4R20 |
| Aspect ratio | 30% |
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 265/30R20 on a 20" wheel
These 20" sizes are within 3% of 265/30R20's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/35R20 | 26.20" | 8.86" | −0.2% | 59.9 mph | Compare |
| 315/25R20 | 26.20" | 12.40" | −0.2% | 59.9 mph | Compare |
| 325/25R20 | 26.40" | 12.80" | +0.5% | 60.3 mph | Compare |
| 235/35R20 | 26.48" | 9.25" | +0.8% | 60.5 mph | Compare |
| 255/30R20 | 26.02" | 10.04" | −0.9% | 59.5 mph | Compare |
| 275/30R20 | 26.50" | 10.83" | +0.9% | 60.5 mph | Compare |
| 305/25R20 | 26.00" | 12.01" | −1.0% | 59.4 mph | Compare |
| 335/25R20 | 26.59" | 13.19" | +1.3% | 60.8 mph | Compare |
| 215/35R20 | 25.93" | 8.46" | −1.3% | 59.2 mph | Compare |
| 295/25R20 | 25.81" | 11.61" | −1.7% | 59.0 mph | Compare |
| 285/30R20 | 26.73" | 11.22" | +1.8% | 61.1 mph | Compare |
| 245/30R20 | 25.79" | 9.65" | −1.8% | 58.9 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/45R19 | 19" | 26.26" | 0.0% | Compare |
| 235/50R17 | 17" | 26.25" | 0.0% | Compare |
| 195/80R14 | 14" | 26.28" | +0.1% | Compare |
| 225/75R13 | 13" | 26.29" | +0.1% | Compare |
| 295/40R17 | 17" | 26.29" | +0.1% | Compare |
| 205/70R15 | 15" | 26.30" | +0.1% | Compare |
| 285/50R15 | 15" | 26.22" | −0.1% | Compare |
| 265/35R19 | 19" | 26.30" | +0.2% | Compare |
| 265/25R21 | 21" | 26.22" | −0.2% | Compare |
| 195/60R17 | 17" | 26.21" | −0.2% | Compare |
| 215/55R17 | 17" | 26.31" | +0.2% | Compare |
| 225/30R21 | 21" | 26.31" | +0.2% | Compare |
One size up or down
- 255/30R20narrower: 26.0" × 10.0"
- 275/30R20wider: 26.5" × 10.8"
- 265/25R20lower profile: 25.2" × 10.4"
- 265/35R20taller sidewall: 27.3" × 10.4"
Compare 265/30R20 with another size
Questions
- How tall is a 265/30R20 tire?
- A 265/30R20 tire is 26.3 inches tall (667 mm), calculated from the size. It is 10.4 inches wide with 3.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 265/30R20 mean?
- 265/30R20 means a tire 265 mm wide, with sidewalls 30% as tall as the tire is wide (80 mm), radial construction (R), for a 20 inch wheel.
- How many revolutions per mile does a 265/30R20 tire make?
- About 768 revolutions per mile, based on a circumference of 82.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 265/30R20 tire?
- Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 225/35R20 instead of 265/30R20?
- 225/35R20 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.