275/45R19 tire size in inches
A 275/45R19 tire measures
28.7" tall × 10.8" wide
4.87" sidewall on a 19" wheel. 702 revolutions per mile.
275/45R19 means a tire 275 mm wide, with sidewalls 45% as tall as the tire is wide (124 mm), radial construction (R), for a 19 inch wheel.
275/45R19 specs
| Overall diameter (height) | 28.74 inches (730 mm) |
|---|---|
| Section width | 10.83 inches (275 mm) |
| Sidewall height | 4.87 inches (124 mm) |
| Wheel (rim) diameter | 19 inches |
| Circumference | 90.3 inches (2,294 mm) |
| Revolutions per mile | 702 |
| Revolutions per kilometer | 436 |
| Approximate rim width | 9.0" to 10.5" |
| In inches (flotation style) | 28.7x10.8R19 |
| Aspect ratio | 45% |
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 275/45R19 on a 19" wheel
These 19" sizes are within 3% of 275/45R19's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 225/55R19 | 28.74" | 8.86" | 0.0% | 60.0 mph | Compare |
| 355/35R19 | 28.78" | 13.98" | +0.1% | 60.1 mph | Compare |
| 205/60R19 | 28.69" | 8.07" | −0.2% | 59.9 mph | Compare |
| 245/50R19 | 28.65" | 9.65" | −0.3% | 59.8 mph | Compare |
| 305/40R19 | 28.61" | 12.01" | −0.5% | 59.7 mph | Compare |
| 315/40R19 | 28.92" | 12.40" | +0.6% | 60.4 mph | Compare |
| 345/35R19 | 28.51" | 13.58" | −0.8% | 59.5 mph | Compare |
| 255/50R19 | 29.04" | 10.04" | +1.0% | 60.6 mph | Compare |
| 285/45R19 | 29.10" | 11.22" | +1.2% | 60.7 mph | Compare |
| 265/45R19 | 28.39" | 10.43" | −1.2% | 59.3 mph | Compare |
| 215/60R19 | 29.16" | 8.46" | +1.4% | 60.9 mph | Compare |
| 215/55R19 | 28.31" | 8.46" | −1.5% | 59.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 195/70R18 | 18" | 28.75" | 0.0% | Compare |
| 245/35R22 | 22" | 28.75" | 0.0% | Compare |
| 285/30R22 | 22" | 28.73" | 0.0% | Compare |
| 235/85R13 | 13" | 28.73" | −0.1% | Compare |
| 205/85R15 | 15" | 28.72" | −0.1% | Compare |
| 245/40R21 | 21" | 28.72" | −0.1% | Compare |
| 295/55R16 | 16" | 28.78" | +0.1% | Compare |
| 215/75R16 | 16" | 28.70" | −0.2% | Compare |
| 345/25R22 | 22" | 28.79" | +0.2% | Compare |
| 235/80R14 | 14" | 28.80" | +0.2% | Compare |
| 245/45R20 | 20" | 28.68" | −0.2% | Compare |
| 305/45R18 | 18" | 28.81" | +0.2% | Compare |
One size up or down
- 265/45R19narrower: 28.4" × 10.4"
- 285/45R19wider: 29.1" × 11.2"
- 275/40R19lower profile: 27.7" × 10.8"
- 275/50R19taller sidewall: 29.8" × 10.8"
Compare 275/45R19 with another size
Questions
- How tall is a 275/45R19 tire?
- A 275/45R19 tire is 28.7 inches tall (730 mm), calculated from the size. It is 10.8 inches wide with 4.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 275/45R19 mean?
- 275/45R19 means a tire 275 mm wide, with sidewalls 45% as tall as the tire is wide (124 mm), radial construction (R), for a 19 inch wheel.
- How many revolutions per mile does a 275/45R19 tire make?
- About 702 revolutions per mile, based on a circumference of 90.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 275/45R19 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 225/55R19 instead of 275/45R19?
- 225/55R19 is 0.00 inches (0.0%) 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.