265/35R21 tire size in inches
A 265/35R21 tire measures
28.3" tall × 10.4" wide
3.65" sidewall on a 21" wheel. 713 revolutions per mile.
265/35R21 means a tire 265 mm wide, with sidewalls 35% as tall as the tire is wide (93 mm), radial construction (R), for a 21 inch wheel.
265/35R21 specs
| Overall diameter (height) | 28.30 inches (719 mm) |
|---|---|
| Section width | 10.43 inches (265 mm) |
| Sidewall height | 3.65 inches (93 mm) |
| Wheel (rim) diameter | 21 inches |
| Circumference | 88.9 inches (2,258 mm) |
| Revolutions per mile | 713 |
| Revolutions per kilometer | 443 |
| Approximate rim width | 8.5" to 10.0" |
| In inches (flotation style) | 28.3x10.4R21 |
| 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 265/35R21 on a 21" wheel
These 21" sizes are within 3% of 265/35R21's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/40R21 | 28.40" | 9.25" | +0.3% | 60.2 mph | Compare |
| 305/30R21 | 28.20" | 12.01" | −0.3% | 59.8 mph | Compare |
| 315/30R21 | 28.44" | 12.40" | +0.5% | 60.3 mph | Compare |
| 225/40R21 | 28.09" | 8.86" | −0.8% | 59.5 mph | Compare |
| 275/35R21 | 28.58" | 10.83" | +1.0% | 60.6 mph | Compare |
| 255/35R21 | 28.03" | 10.04" | −1.0% | 59.4 mph | Compare |
| 355/25R21 | 27.99" | 13.98" | −1.1% | 59.3 mph | Compare |
| 295/30R21 | 27.97" | 11.61" | −1.2% | 59.3 mph | Compare |
| 325/30R21 | 28.68" | 12.80" | +1.3% | 60.8 mph | Compare |
| 245/40R21 | 28.72" | 9.65" | +1.5% | 60.9 mph | Compare |
| 345/25R21 | 27.79" | 13.58" | −1.8% | 58.9 mph | Compare |
| 285/35R21 | 28.85" | 11.22" | +1.9% | 61.2 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/70R17 | 17" | 28.30" | 0.0% | Compare |
| 215/55R19 | 19" | 28.31" | 0.0% | Compare |
| 295/40R19 | 19" | 28.29" | 0.0% | Compare |
| 225/75R15 | 15" | 28.29" | −0.1% | Compare |
| 195/80R16 | 16" | 28.28" | −0.1% | Compare |
| 235/45R20 | 20" | 28.33" | +0.1% | Compare |
| 285/55R16 | 16" | 28.34" | +0.1% | Compare |
| 265/40R20 | 20" | 28.35" | +0.2% | Compare |
| 265/30R22 | 22" | 28.26" | −0.2% | Compare |
| 235/50R19 | 19" | 28.25" | −0.2% | Compare |
| 325/40R18 | 18" | 28.24" | −0.2% | Compare |
| 335/35R19 | 19" | 28.23" | −0.3% | Compare |
One size up or down
- 255/35R21narrower: 28.0" × 10.0"
- 275/35R21wider: 28.6" × 10.8"
- 265/30R21lower profile: 27.3" × 10.4"
- 265/40R21taller sidewall: 29.3" × 10.4"
Compare 265/35R21 with another size
Questions
- How tall is a 265/35R21 tire?
- A 265/35R21 tire is 28.3 inches tall (719 mm), calculated from the size. It is 10.4 inches wide with 3.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 265/35R21 mean?
- 265/35R21 means a tire 265 mm wide, with sidewalls 35% as tall as the tire is wide (93 mm), radial construction (R), for a 21 inch wheel.
- How many revolutions per mile does a 265/35R21 tire make?
- About 713 revolutions per mile, based on a circumference of 88.9 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 265/35R21 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 235/40R21 instead of 265/35R21?
- 235/40R21 is +0.10 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.