315/55R19 tire size in inches
A 315/55R19 tire measures
32.6" tall × 12.4" wide
6.82" sidewall on a 19" wheel. 618 revolutions per mile.
315/55R19 means a tire 315 mm wide, with sidewalls 55% as tall as the tire is wide (173 mm), radial construction (R), for a 19 inch wheel.
315/55R19 specs
| Overall diameter (height) | 32.64 inches (829 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 6.82 inches (173 mm) |
| Wheel (rim) diameter | 19 inches |
| Circumference | 102.5 inches (2,605 mm) |
| Revolutions per mile | 618 |
| Revolutions per kilometer | 384 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 32.6x12.4R19 |
| 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 315/55R19 on a 19" wheel
These 19" sizes are within 3% of 315/55R19's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 345/50R19 | 32.58" | 13.58" | −0.2% | 59.9 mph | Compare |
| 265/65R19 | 32.56" | 10.43" | −0.2% | 59.9 mph | Compare |
| 285/60R19 | 32.46" | 11.22" | −0.5% | 59.7 mph | Compare |
| 295/60R19 | 32.94" | 11.61" | +0.9% | 60.5 mph | Compare |
| 355/50R19 | 32.98" | 13.98" | +1.0% | 60.6 mph | Compare |
| 275/65R19 | 33.07" | 10.83" | +1.3% | 60.8 mph | Compare |
| 325/55R19 | 33.07" | 12.80" | +1.3% | 60.8 mph | Compare |
| 305/55R19 | 32.21" | 12.01" | −1.3% | 59.2 mph | Compare |
| 335/50R19 | 32.19" | 13.19" | −1.4% | 59.2 mph | Compare |
| 255/65R19 | 32.05" | 10.04" | −1.8% | 58.9 mph | Compare |
| 275/60R19 | 31.99" | 10.83" | −2.0% | 58.8 mph | Compare |
| 305/60R19 | 33.41" | 12.01" | +2.4% | 61.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 265/75R17 | 17" | 32.65" | 0.0% | Compare |
| 275/40R24 | 24" | 32.66" | +0.1% | Compare |
| 295/50R21 | 21" | 32.61" | −0.1% | Compare |
| 245/55R22 | 22" | 32.61" | −0.1% | Compare |
| 305/65R17 | 17" | 32.61" | −0.1% | Compare |
| 265/70R18 | 18" | 32.61" | −0.1% | Compare |
| 315/35R24 | 24" | 32.68" | +0.1% | Compare |
| 265/80R16 | 16" | 32.69" | +0.2% | Compare |
| 285/65R18 | 18" | 32.59" | −0.2% | Compare |
| 355/45R20 | 20" | 32.58" | −0.2% | Compare |
| 285/70R17 | 17" | 32.71" | +0.2% | Compare |
| 335/40R22 | 22" | 32.55" | −0.3% | Compare |
One size up or down
- 305/55R19narrower: 32.2" × 12.0"
- 325/55R19wider: 33.1" × 12.8"
- 315/50R19lower profile: 31.4" × 12.4"
- 315/60R19taller sidewall: 33.9" × 12.4"
Compare 315/55R19 with another size
Questions
- How tall is a 315/55R19 tire?
- A 315/55R19 tire is 32.6 inches tall (829 mm), calculated from the size. It is 12.4 inches wide with 6.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/55R19 mean?
- 315/55R19 means a tire 315 mm wide, with sidewalls 55% as tall as the tire is wide (173 mm), radial construction (R), for a 19 inch wheel.
- How many revolutions per mile does a 315/55R19 tire make?
- About 618 revolutions per mile, based on a circumference of 102.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/55R19 tire?
- Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 345/50R19 instead of 315/55R19?
- 345/50R19 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.