165/65R15 tire size in inches
A 165/65R15 tire measures
23.4" tall × 6.5" wide
4.22" sidewall on a 15" wheel. 860 revolutions per mile.
165/65R15 means a tire 165 mm wide, with sidewalls 65% as tall as the tire is wide (107 mm), radial construction (R), for a 15 inch wheel.
165/65R15 specs
| Overall diameter (height) | 23.44 inches (595 mm) |
|---|---|
| Section width | 6.50 inches (165 mm) |
| Sidewall height | 4.22 inches (107 mm) |
| Wheel (rim) diameter | 15 inches |
| Circumference | 73.7 inches (1,871 mm) |
| Revolutions per mile | 860 |
| Revolutions per kilometer | 535 |
| Approximate rim width | 4.5" to 6.0" |
| In inches (flotation style) | 23.4x6.5R15 |
| 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 165/65R15 on a 15" wheel
These 15" sizes are within 3% of 165/65R15's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 195/55R15 | 23.44" | 7.68" | 0.0% | 60.0 mph | Compare |
| 215/50R15 | 23.46" | 8.46" | +0.1% | 60.1 mph | Compare |
| 235/45R15 | 23.33" | 9.25" | −0.5% | 59.7 mph | Compare |
| 175/60R15 | 23.27" | 6.89" | −0.8% | 59.5 mph | Compare |
| 245/45R15 | 23.68" | 9.65" | +1.0% | 60.6 mph | Compare |
| 185/60R15 | 23.74" | 7.28" | +1.3% | 60.8 mph | Compare |
| 205/50R15 | 23.07" | 8.07" | −1.6% | 59.0 mph | Compare |
| 225/50R15 | 23.86" | 8.86" | +1.8% | 61.1 mph | Compare |
| 185/55R15 | 23.01" | 7.28" | −1.8% | 58.9 mph | Compare |
| 205/55R15 | 23.88" | 8.07" | +1.8% | 61.1 mph | Compare |
| 225/45R15 | 22.97" | 8.86" | −2.0% | 58.8 mph | Compare |
| 175/65R15 | 23.96" | 6.89" | +2.2% | 61.3 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 205/40R17 | 17" | 23.46" | +0.1% | Compare |
| 225/25R19 | 19" | 23.43" | −0.1% | Compare |
| 185/65R14 | 14" | 23.47" | +0.1% | Compare |
| 235/35R17 | 17" | 23.48" | +0.1% | Compare |
| 235/40R16 | 16" | 23.40" | −0.2% | Compare |
| 205/65R13 | 13" | 23.49" | +0.2% | Compare |
| 165/80R13 | 13" | 23.39" | −0.2% | Compare |
| 155/85R13 | 13" | 23.37" | −0.3% | Compare |
| 195/35R18 | 18" | 23.37" | −0.3% | Compare |
| 175/75R13 | 13" | 23.33" | −0.5% | Compare |
| 185/45R17 | 17" | 23.56" | +0.5% | Compare |
| 215/55R14 | 14" | 23.31" | −0.6% | Compare |
One size up or down
- 175/65R15wider: 24.0" × 6.9"
- 165/60R15lower profile: 22.8" × 6.5"
- 165/70R15taller sidewall: 24.1" × 6.5"
Compare 165/65R15 with another size
Questions
- How tall is a 165/65R15 tire?
- A 165/65R15 tire is 23.4 inches tall (595 mm), calculated from the size. It is 6.5 inches wide with 4.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 165/65R15 mean?
- 165/65R15 means a tire 165 mm wide, with sidewalls 65% as tall as the tire is wide (107 mm), radial construction (R), for a 15 inch wheel.
- How many revolutions per mile does a 165/65R15 tire make?
- About 860 revolutions per mile, based on a circumference of 73.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 165/65R15 tire?
- Roughly 4.5" to 6.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 195/55R15 instead of 165/65R15?
- 195/55R15 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.