225/40R17 tire size in inches
A 225/40R17 tire measures
24.1" tall × 8.9" wide
3.54" sidewall on a 17" wheel. 837 revolutions per mile.
225/40R17 means a tire 225 mm wide, with sidewalls 40% as tall as the tire is wide (90 mm), radial construction (R), for a 17 inch wheel.
225/40R17 specs
| Overall diameter (height) | 24.09 inches (612 mm) |
|---|---|
| Section width | 8.86 inches (225 mm) |
| Sidewall height | 3.54 inches (90 mm) |
| Wheel (rim) diameter | 17 inches |
| Circumference | 75.7 inches (1,922 mm) |
| Revolutions per mile | 837 |
| Revolutions per kilometer | 520 |
| Approximate rim width | 7.5" to 9.0" |
| In inches (flotation style) | 24.1x8.9R17 |
| Aspect ratio | 40% |
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 225/40R17 on a 17" wheel
These 17" sizes are within 3% of 225/40R17's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 255/35R17 | 24.03" | 10.04" | −0.2% | 59.9 mph | Compare |
| 205/45R17 | 24.26" | 8.07" | +0.7% | 60.4 mph | Compare |
| 195/45R17 | 23.91" | 7.68" | −0.7% | 59.6 mph | Compare |
| 185/50R17 | 24.28" | 7.28" | +0.8% | 60.5 mph | Compare |
| 265/35R17 | 24.30" | 10.43" | +0.9% | 60.5 mph | Compare |
| 215/40R17 | 23.77" | 8.46" | −1.3% | 59.2 mph | Compare |
| 235/40R17 | 24.40" | 9.25" | +1.3% | 60.8 mph | Compare |
| 245/35R17 | 23.75" | 9.65" | −1.4% | 59.2 mph | Compare |
| 275/35R17 | 24.58" | 10.83" | +2.0% | 61.2 mph | Compare |
| 185/45R17 | 23.56" | 7.28" | −2.2% | 58.7 mph | Compare |
| 215/45R17 | 24.62" | 8.46" | +2.2% | 61.3 mph | Compare |
| 195/50R17 | 24.68" | 7.68" | +2.5% | 61.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 165/70R15 | 15" | 24.09" | 0.0% | Compare |
| 215/30R19 | 19" | 24.08" | 0.0% | Compare |
| 235/60R13 | 13" | 24.10" | +0.1% | Compare |
| 205/50R16 | 16" | 24.07" | −0.1% | Compare |
| 165/85R13 | 13" | 24.04" | −0.2% | Compare |
| 255/45R15 | 15" | 24.04" | −0.2% | Compare |
| 195/40R18 | 18" | 24.14" | +0.2% | Compare |
| 255/40R16 | 16" | 24.03" | −0.2% | Compare |
| 175/80R13 | 13" | 24.02" | −0.3% | Compare |
| 255/25R19 | 19" | 24.02" | −0.3% | Compare |
| 215/60R14 | 14" | 24.16" | +0.3% | Compare |
| 185/55R16 | 16" | 24.01" | −0.3% | Compare |
One size up or down
- 215/40R17narrower: 23.8" × 8.5"
- 235/40R17wider: 24.4" × 9.3"
- 225/35R17lower profile: 23.2" × 8.9"
- 225/45R17taller sidewall: 25.0" × 8.9"
Compare 225/40R17 with another size
Questions
- How tall is a 225/40R17 tire?
- A 225/40R17 tire is 24.1 inches tall (612 mm), calculated from the size. It is 8.9 inches wide with 3.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 225/40R17 mean?
- 225/40R17 means a tire 225 mm wide, with sidewalls 40% as tall as the tire is wide (90 mm), radial construction (R), for a 17 inch wheel.
- How many revolutions per mile does a 225/40R17 tire make?
- About 837 revolutions per mile, based on a circumference of 75.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 225/40R17 tire?
- Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 255/35R17 instead of 225/40R17?
- 255/35R17 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.