295/55R21 tire size in inches
A 295/55R21 tire measures
33.8" tall × 11.6" wide
6.39" sidewall on a 21" wheel. 597 revolutions per mile.
295/55R21 means a tire 295 mm wide, with sidewalls 55% as tall as the tire is wide (162 mm), radial construction (R), for a 21 inch wheel.
295/55R21 specs
| Overall diameter (height) | 33.78 inches (858 mm) |
|---|---|
| Section width | 11.61 inches (295 mm) |
| Sidewall height | 6.39 inches (162 mm) |
| Wheel (rim) diameter | 21 inches |
| Circumference | 106.1 inches (2,695 mm) |
| Revolutions per mile | 597 |
| Revolutions per kilometer | 371 |
| Approximate rim width | 8.5" to 10.0" |
| In inches (flotation style) | 33.8x11.6R21 |
| Aspect ratio | 55% |
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 295/55R21 on a 21" wheel
These 21" sizes are within 3% of 295/55R21's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 325/50R21 | 33.80" | 12.80" | +0.1% | 60.0 mph | Compare |
| 355/45R21 | 33.58" | 13.98" | −0.6% | 59.7 mph | Compare |
| 315/50R21 | 33.40" | 12.40" | −1.1% | 59.3 mph | Compare |
| 335/50R21 | 34.19" | 13.19" | +1.2% | 60.7 mph | Compare |
| 285/55R21 | 33.34" | 11.22" | −1.3% | 59.2 mph | Compare |
| 305/55R21 | 34.21" | 12.01" | +1.3% | 60.8 mph | Compare |
| 345/45R21 | 33.22" | 13.58" | −1.6% | 59.0 mph | Compare |
| 305/50R21 | 33.01" | 12.01" | −2.3% | 58.6 mph | Compare |
| 345/50R21 | 34.58" | 13.58" | +2.4% | 61.4 mph | Compare |
| 275/55R21 | 32.91" | 10.83" | −2.6% | 58.5 mph | Compare |
| 315/55R21 | 34.64" | 12.40" | +2.6% | 61.5 mph | Compare |
| 335/45R21 | 32.87" | 13.19" | −2.7% | 58.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 355/35R24 | 24" | 33.78" | 0.0% | Compare |
| 305/70R17 | 17" | 33.81" | +0.1% | Compare |
| 265/85R16 | 16" | 33.74" | −0.1% | Compare |
| 335/60R18 | 18" | 33.83" | +0.2% | Compare |
| 285/75R17 | 17" | 33.83" | +0.2% | Compare |
| 285/70R18 | 18" | 33.71" | −0.2% | Compare |
| 335/45R22 | 22" | 33.87" | +0.3% | Compare |
| 315/60R19 | 19" | 33.88" | +0.3% | Compare |
| 265/75R18 | 18" | 33.65" | −0.4% | Compare |
| 275/55R22 | 22" | 33.91" | +0.4% | Compare |
| 315/55R20 | 20" | 33.64" | −0.4% | Compare |
| 315/40R24 | 24" | 33.92" | +0.4% | Compare |
One size up or down
Compare 295/55R21 with another size
Questions
- How tall is a 295/55R21 tire?
- A 295/55R21 tire is 33.8 inches tall (858 mm), calculated from the size. It is 11.6 inches wide with 6.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 295/55R21 mean?
- 295/55R21 means a tire 295 mm wide, with sidewalls 55% as tall as the tire is wide (162 mm), radial construction (R), for a 21 inch wheel.
- How many revolutions per mile does a 295/55R21 tire make?
- About 597 revolutions per mile, based on a circumference of 106.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 295/55R21 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 325/50R21 instead of 295/55R21?
- 325/50R21 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.