305/65R17 tire size in inches
A 305/65R17 tire measures
32.6" tall × 12.0" wide
7.81" sidewall on a 17" wheel. 618 revolutions per mile.
305/65R17 means a tire 305 mm wide, with sidewalls 65% as tall as the tire is wide (198 mm), radial construction (R), for a 17 inch wheel.
305/65R17 specs
| Overall diameter (height) | 32.61 inches (828 mm) |
|---|---|
| Section width | 12.01 inches (305 mm) |
| Sidewall height | 7.81 inches (198 mm) |
| Wheel (rim) diameter | 17 inches |
| Circumference | 102.4 inches (2,602 mm) |
| Revolutions per mile | 618 |
| Revolutions per kilometer | 384 |
| Approximate rim width | 8.0" to 9.5" |
| In inches (flotation style) | 32.6x12.0R17 |
| Aspect ratio | 65% |
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 305/65R17 on a 17" wheel
These 17" sizes are within 3% of 305/65R17's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/75R17 | 32.65" | 10.43" | +0.1% | 60.1 mph | Compare |
| 285/70R17 | 32.71" | 11.22" | +0.3% | 60.2 mph | Compare |
| 33x12.50R17 | 33.00" | 12.50" | +1.2% | 60.7 mph | Compare |
| 275/70R17 | 32.16" | 10.83" | −1.4% | 59.2 mph | Compare |
| 315/65R17 | 33.12" | 12.40" | +1.6% | 60.9 mph | Compare |
| 295/65R17 | 32.10" | 11.61" | −1.6% | 59.1 mph | Compare |
| 255/75R17 | 32.06" | 10.04" | −1.7% | 59.0 mph | Compare |
| 275/75R17 | 33.24" | 10.83" | +1.9% | 61.2 mph | Compare |
| 295/70R17 | 33.26" | 11.61" | +2.0% | 61.2 mph | Compare |
| 315/60R17 | 31.88" | 12.40" | −2.2% | 58.7 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 245/55R22 | 22" | 32.61" | 0.0% | Compare |
| 265/70R18 | 18" | 32.61" | 0.0% | Compare |
| 295/50R21 | 21" | 32.61" | 0.0% | Compare |
| 285/65R18 | 18" | 32.59" | −0.1% | Compare |
| 345/50R19 | 19" | 32.58" | −0.1% | Compare |
| 315/55R19 | 19" | 32.64" | +0.1% | Compare |
| 355/45R20 | 20" | 32.58" | −0.1% | Compare |
| 265/65R19 | 19" | 32.56" | −0.1% | Compare |
| 275/40R24 | 24" | 32.66" | +0.2% | Compare |
| 335/40R22 | 22" | 32.55" | −0.2% | Compare |
| 315/35R24 | 24" | 32.68" | +0.2% | Compare |
| 245/65R20 | 20" | 32.54" | −0.2% | Compare |
One size up or down
- 295/65R17narrower: 32.1" × 11.6"
- 315/65R17wider: 33.1" × 12.4"
- 305/60R17lower profile: 31.4" × 12.0"
- 305/70R17taller sidewall: 33.8" × 12.0"
Compare 305/65R17 with another size
Questions
- How tall is a 305/65R17 tire?
- A 305/65R17 tire is 32.6 inches tall (828 mm), calculated from the size. It is 12.0 inches wide with 7.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 305/65R17 mean?
- 305/65R17 means a tire 305 mm wide, with sidewalls 65% as tall as the tire is wide (198 mm), radial construction (R), for a 17 inch wheel.
- How many revolutions per mile does a 305/65R17 tire make?
- About 618 revolutions per mile, based on a circumference of 102.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 305/65R17 tire?
- Roughly 8.0" to 9.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/75R17 instead of 305/65R17?
- 265/75R17 is +0.04 inches (+0.1%) 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.