305/50R19 tire size in inches
A 305/50R19 tire measures
31.0" tall × 12.0" wide
6.00" sidewall on a 19" wheel. 650 revolutions per mile.
305/50R19 means a tire 305 mm wide, with sidewalls 50% as tall as the tire is wide (153 mm), radial construction (R), for a 19 inch wheel.
305/50R19 specs
| Overall diameter (height) | 31.01 inches (788 mm) |
|---|---|
| Section width | 12.01 inches (305 mm) |
| Sidewall height | 6.00 inches (153 mm) |
| Wheel (rim) diameter | 19 inches |
| Circumference | 97.4 inches (2,474 mm) |
| Revolutions per mile | 650 |
| Revolutions per kilometer | 404 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 31.0x12.0R19 |
| 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 305/50R19 on a 19" wheel
These 19" sizes are within 3% of 305/50R19's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 235/65R19 | 31.03" | 9.25" | +0.1% | 60.0 mph | Compare |
| 255/60R19 | 31.05" | 10.04" | +0.1% | 60.1 mph | Compare |
| 275/55R19 | 30.91" | 10.83" | −0.3% | 59.8 mph | Compare |
| 335/45R19 | 30.87" | 13.19" | −0.4% | 59.7 mph | Compare |
| 345/45R19 | 31.22" | 13.58" | +0.7% | 60.4 mph | Compare |
| 285/55R19 | 31.34" | 11.22" | +1.1% | 60.6 mph | Compare |
| 295/50R19 | 30.61" | 11.61" | −1.3% | 59.2 mph | Compare |
| 315/50R19 | 31.40" | 12.40" | +1.3% | 60.8 mph | Compare |
| 245/60R19 | 30.57" | 9.65" | −1.4% | 59.2 mph | Compare |
| 225/65R19 | 30.52" | 8.86" | −1.6% | 59.0 mph | Compare |
| 325/45R19 | 30.52" | 12.80" | −1.6% | 59.0 mph | Compare |
| 265/60R19 | 31.52" | 10.43" | +1.7% | 61.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 215/65R20 | 20" | 31.00" | 0.0% | Compare |
| 31x10.50R15 | 15" | 31.00" | 0.0% | Compare |
| 275/60R18 | 18" | 30.99" | −0.1% | Compare |
| 355/25R24 | 24" | 30.99" | −0.1% | Compare |
| 255/35R24 | 24" | 31.03" | +0.1% | Compare |
| 255/45R22 | 22" | 31.04" | +0.1% | Compare |
| 255/50R21 | 21" | 31.04" | +0.1% | Compare |
| 285/40R22 | 22" | 30.98" | −0.1% | Compare |
| 255/55R20 | 20" | 31.04" | +0.1% | Compare |
| 295/30R24 | 24" | 30.97" | −0.1% | Compare |
| 255/65R18 | 18" | 31.05" | +0.1% | Compare |
| 255/70R17 | 17" | 31.06" | +0.2% | Compare |
One size up or down
- 295/50R19narrower: 30.6" × 11.6"
- 315/50R19wider: 31.4" × 12.4"
- 305/45R19lower profile: 29.8" × 12.0"
- 305/55R19taller sidewall: 32.2" × 12.0"
Compare 305/50R19 with another size
Questions
- How tall is a 305/50R19 tire?
- A 305/50R19 tire is 31.0 inches tall (788 mm), calculated from the size. It is 12.0 inches wide with 6.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 305/50R19 mean?
- 305/50R19 means a tire 305 mm wide, with sidewalls 50% as tall as the tire is wide (153 mm), radial construction (R), for a 19 inch wheel.
- How many revolutions per mile does a 305/50R19 tire make?
- About 650 revolutions per mile, based on a circumference of 97.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 305/50R19 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 235/65R19 instead of 305/50R19?
- 235/65R19 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.