335/50R21 tire size in inches
A 335/50R21 tire measures
34.2" tall × 13.2" wide
6.59" sidewall on a 21" wheel. 590 revolutions per mile.
335/50R21 means a tire 335 mm wide, with sidewalls 50% as tall as the tire is wide (168 mm), radial construction (R), for a 21 inch wheel.
335/50R21 specs
| Overall diameter (height) | 34.19 inches (868 mm) |
|---|---|
| Section width | 13.19 inches (335 mm) |
| Sidewall height | 6.59 inches (168 mm) |
| Wheel (rim) diameter | 21 inches |
| Circumference | 107.4 inches (2,728 mm) |
| Revolutions per mile | 590 |
| Revolutions per kilometer | 367 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 34.2x13.2R21 |
| Aspect ratio | 50% |
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 335/50R21 on a 21" wheel
These 21" sizes are within 3% of 335/50R21's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 305/55R21 | 34.21" | 12.01" | +0.1% | 60.0 mph | Compare |
| 325/50R21 | 33.80" | 12.80" | −1.2% | 59.3 mph | Compare |
| 345/50R21 | 34.58" | 13.58" | +1.2% | 60.7 mph | Compare |
| 295/55R21 | 33.78" | 11.61" | −1.2% | 59.3 mph | Compare |
| 315/55R21 | 34.64" | 12.40" | +1.3% | 60.8 mph | Compare |
| 355/45R21 | 33.58" | 13.98" | −1.8% | 58.9 mph | Compare |
| 315/50R21 | 33.40" | 12.40" | −2.3% | 58.6 mph | Compare |
| 355/50R21 | 34.98" | 13.98" | +2.3% | 61.4 mph | Compare |
| 285/55R21 | 33.34" | 11.22" | −2.5% | 58.5 mph | Compare |
| 325/55R21 | 35.07" | 12.80" | +2.6% | 61.6 mph | Compare |
| 345/45R21 | 33.22" | 13.58" | −2.8% | 58.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 345/45R22 | 22" | 34.22" | +0.1% | Compare |
| 325/40R24 | 24" | 34.24" | +0.1% | Compare |
| 275/75R18 | 18" | 34.24" | +0.1% | Compare |
| 315/65R18 | 18" | 34.12" | −0.2% | Compare |
| 295/70R18 | 18" | 34.26" | +0.2% | Compare |
| 295/65R19 | 19" | 34.10" | −0.3% | Compare |
| 275/65R20 | 20" | 34.07" | −0.3% | Compare |
| 285/85R15 | 15" | 34.07" | −0.3% | Compare |
| 325/55R20 | 20" | 34.07" | −0.3% | Compare |
| 285/55R22 | 22" | 34.34" | +0.4% | Compare |
| 325/60R19 | 19" | 34.35" | +0.5% | Compare |
| 315/70R17 | 17" | 34.36" | +0.5% | Compare |
One size up or down
- 325/50R21narrower: 33.8" × 12.8"
- 345/50R21wider: 34.6" × 13.6"
- 335/45R21lower profile: 32.9" × 13.2"
- 335/55R21taller sidewall: 35.5" × 13.2"
Compare 335/50R21 with another size
Questions
- How tall is a 335/50R21 tire?
- A 335/50R21 tire is 34.2 inches tall (868 mm), calculated from the size. It is 13.2 inches wide with 6.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 335/50R21 mean?
- 335/50R21 means a tire 335 mm wide, with sidewalls 50% as tall as the tire is wide (168 mm), radial construction (R), for a 21 inch wheel.
- How many revolutions per mile does a 335/50R21 tire make?
- About 590 revolutions per mile, based on a circumference of 107.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 335/50R21 tire?
- Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 305/55R21 instead of 335/50R21?
- 305/55R21 is +0.02 inches (+0.1%) 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.