225/50R15 tire size in inches
A 225/50R15 tire measures
23.9" tall × 8.9" wide
4.43" sidewall on a 15" wheel. 845 revolutions per mile.
225/50R15 means a tire 225 mm wide, with sidewalls 50% as tall as the tire is wide (113 mm), radial construction (R), for a 15 inch wheel.
225/50R15 specs
| Overall diameter (height) | 23.86 inches (606 mm) |
|---|---|
| Section width | 8.86 inches (225 mm) |
| Sidewall height | 4.43 inches (113 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 75.0 inches (1,904 mm) |
| Revolutions per mile | 845 |
| Revolutions per kilometer | 525 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 23.9x8.9R15 |
| 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 225/50R15 on a 15" wheel
These 15" sizes are within 3% of 225/50R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 205/55R15 | 23.88" | 8.07" | +0.1% | 60.0 mph | Compare |
| 175/65R15 | 23.96" | 6.89" | +0.4% | 60.2 mph | Compare |
| 185/60R15 | 23.74" | 7.28" | −0.5% | 59.7 mph | Compare |
| 245/45R15 | 23.68" | 9.65" | −0.7% | 59.6 mph | Compare |
| 255/45R15 | 24.04" | 10.04" | +0.7% | 60.4 mph | Compare |
| 165/70R15 | 24.09" | 6.50" | +1.0% | 60.6 mph | Compare |
| 195/60R15 | 24.21" | 7.68" | +1.5% | 60.9 mph | Compare |
| 215/50R15 | 23.46" | 8.46" | −1.7% | 59.0 mph | Compare |
| 235/50R15 | 24.25" | 9.25" | +1.7% | 61.0 mph | Compare |
| 165/65R15 | 23.44" | 6.50" | −1.7% | 59.0 mph | Compare |
| 195/55R15 | 23.44" | 7.68" | −1.7% | 59.0 mph | Compare |
| 215/55R15 | 24.31" | 8.46" | +1.9% | 61.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/30R19 | 19" | 23.84" | −0.1% | Compare |
| 245/25R19 | 19" | 23.82" | −0.1% | Compare |
| 195/45R17 | 17" | 23.91" | +0.2% | Compare |
| 215/35R18 | 18" | 23.93" | +0.3% | Compare |
| 185/75R13 | 13" | 23.93" | +0.3% | Compare |
| 215/40R17 | 17" | 23.77" | −0.4% | Compare |
| 155/80R14 | 14" | 23.76" | −0.4% | Compare |
| 245/35R17 | 17" | 23.75" | −0.4% | Compare |
| 195/70R13 | 13" | 23.75" | −0.5% | Compare |
| 165/75R14 | 14" | 23.74" | −0.5% | Compare |
| 225/55R14 | 14" | 23.74" | −0.5% | Compare |
| 225/45R16 | 16" | 23.97" | +0.5% | Compare |
One size up or down
- 215/50R15narrower: 23.5" × 8.5"
- 235/50R15wider: 24.3" × 9.3"
- 225/45R15lower profile: 23.0" × 8.9"
- 225/55R15taller sidewall: 24.7" × 8.9"
Compare 225/50R15 with another size
Questions
- How tall is a 225/50R15 tire?
- A 225/50R15 tire is 23.9 inches tall (606 mm), calculated from the size. It is 8.9 inches wide with 4.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 225/50R15 mean?
- 225/50R15 means a tire 225 mm wide, with sidewalls 50% as tall as the tire is wide (113 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 225/50R15 tire make?
- About 845 revolutions per mile, based on a circumference of 75.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 225/50R15 tire?
- Roughly 6.5" to 8.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 205/55R15 instead of 225/50R15?
- 205/55R15 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.