315/70R17 tire size in inches
A 315/70R17 tire measures
34.4" tall × 12.4" wide
8.68" sidewall on a 17" wheel. 587 revolutions per mile.
315/70R17 means a tire 315 mm wide, with sidewalls 70% as tall as the tire is wide (220 mm), radial construction (R), for a 17 inch wheel.
315/70R17 specs
| Overall diameter (height) | 34.36 inches (873 mm) |
|---|---|
| Section width | 12.40 inches (315 mm) |
| Sidewall height | 8.68 inches (220 mm) |
| Wheel (rim) diameter | 17 inches |
| Circumference | 108.0 inches (2,742 mm) |
| Revolutions per mile | 587 |
| Revolutions per kilometer | 365 |
| Approximate rim width | 8.5" to 10.0" |
| In inches (flotation style) | 34.4x12.4R17 |
| Aspect ratio | 70% |
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 315/70R17 on a 17" wheel
These 17" sizes are within 3% of 315/70R17's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 295/75R17 | 34.42" | 11.61" | +0.2% | 60.1 mph | Compare |
| 285/75R17 | 33.83" | 11.22" | −1.5% | 59.1 mph | Compare |
| 305/70R17 | 33.81" | 12.01" | −1.6% | 59.0 mph | Compare |
| 35x12.50R17 | 35.00" | 12.50" | +1.9% | 61.1 mph | Compare |
| 305/75R17 | 35.01" | 12.01" | +1.9% | 61.1 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 325/60R19 | 19" | 34.35" | 0.0% | Compare |
| 355/55R19 | 19" | 34.37" | 0.0% | Compare |
| 285/55R22 | 22" | 34.34" | −0.1% | Compare |
| 315/50R22 | 22" | 34.40" | +0.1% | Compare |
| 275/85R16 | 16" | 34.41" | +0.1% | Compare |
| 305/60R20 | 20" | 34.41" | +0.1% | Compare |
| 295/70R18 | 18" | 34.26" | −0.3% | Compare |
| 275/75R18 | 18" | 34.24" | −0.4% | Compare |
| 325/40R24 | 24" | 34.24" | −0.4% | Compare |
| 345/45R22 | 22" | 34.22" | −0.4% | Compare |
| 335/55R20 | 20" | 34.51" | +0.4% | Compare |
| 305/55R21 | 21" | 34.21" | −0.4% | Compare |
One size up or down
- 305/70R17narrower: 33.8" × 12.0"
- 315/65R17lower profile: 33.1" × 12.4"
- 315/75R17taller sidewall: 35.6" × 12.4"
Compare 315/70R17 with another size
Questions
- How tall is a 315/70R17 tire?
- A 315/70R17 tire is 34.4 inches tall (873 mm), calculated from the size. It is 12.4 inches wide with 8.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 315/70R17 mean?
- 315/70R17 means a tire 315 mm wide, with sidewalls 70% as tall as the tire is wide (220 mm), radial construction (R), for a 17 inch wheel.
- How many revolutions per mile does a 315/70R17 tire make?
- About 587 revolutions per mile, based on a circumference of 108.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 315/70R17 tire?
- Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 295/75R17 instead of 315/70R17?
- 295/75R17 is +0.06 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.