315/50R19 tire size in inches
A 315/50R19 tire measures
31.4" tall × 12.4" wide
6.20" sidewall on a 19" wheel. 642 revolutions per mile.
315/50R19 means a tire 315 mm wide, with sidewalls 50% as tall as the tire is wide (158 mm), radial construction (R), for a 19 inch wheel.
315/50R19 specs
| Overall diameter (height) | 31.40 inches (798 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 6.20 inches (158 mm) |
| Wheel (rim) diameter | 19 inches |
| Circumference | 98.7 inches (2,506 mm) |
| Revolutions per mile | 642 |
| Revolutions per kilometer | 399 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 31.4x12.4R19 |
| 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 315/50R19 on a 19" wheel
These 19" sizes are within 3% of 315/50R19's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 285/55R19 | 31.34" | 11.22" | −0.2% | 59.9 mph | Compare |
| 265/60R19 | 31.52" | 10.43" | +0.4% | 60.2 mph | Compare |
| 245/65R19 | 31.54" | 9.65" | +0.4% | 60.3 mph | Compare |
| 355/45R19 | 31.58" | 13.98" | +0.6% | 60.3 mph | Compare |
| 345/45R19 | 31.22" | 13.58" | −0.6% | 59.7 mph | Compare |
| 255/60R19 | 31.05" | 10.04" | −1.1% | 59.3 mph | Compare |
| 235/65R19 | 31.03" | 9.25" | −1.2% | 59.3 mph | Compare |
| 295/55R19 | 31.78" | 11.61" | +1.2% | 60.7 mph | Compare |
| 325/50R19 | 31.80" | 12.80" | +1.3% | 60.8 mph | Compare |
| 305/50R19 | 31.01" | 12.01" | −1.3% | 59.2 mph | Compare |
| 275/55R19 | 30.91" | 10.83" | −1.6% | 59.1 mph | Compare |
| 335/45R19 | 30.87" | 13.19" | −1.7% | 59.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/85R15 | 15" | 31.40" | 0.0% | Compare |
| 305/60R17 | 17" | 31.41" | 0.0% | Compare |
| 265/45R22 | 22" | 31.39" | 0.0% | Compare |
| 245/80R16 | 16" | 31.43" | +0.1% | Compare |
| 265/50R21 | 21" | 31.43" | +0.1% | Compare |
| 315/30R24 | 24" | 31.44" | +0.1% | Compare |
| 295/45R21 | 21" | 31.45" | +0.2% | Compare |
| 285/60R18 | 18" | 31.46" | +0.2% | Compare |
| 245/75R17 | 17" | 31.47" | +0.2% | Compare |
| 265/55R20 | 20" | 31.48" | +0.2% | Compare |
| 265/35R24 | 24" | 31.30" | −0.3% | Compare |
| 245/70R18 | 18" | 31.50" | +0.3% | Compare |
One size up or down
- 305/50R19narrower: 31.0" × 12.0"
- 325/50R19wider: 31.8" × 12.8"
- 315/45R19lower profile: 30.2" × 12.4"
- 315/55R19taller sidewall: 32.6" × 12.4"
Compare 315/50R19 with another size
Questions
- How tall is a 315/50R19 tire?
- A 315/50R19 tire is 31.4 inches tall (798 mm), calculated from the size. It is 12.4 inches wide with 6.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/50R19 mean?
- 315/50R19 means a tire 315 mm wide, with sidewalls 50% as tall as the tire is wide (158 mm), radial construction (R), for a 19 inch wheel.
- How many revolutions per mile does a 315/50R19 tire make?
- About 642 revolutions per mile, based on a circumference of 98.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/50R19 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 285/55R19 instead of 315/50R19?
- 285/55R19 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.