185/75R13 tire size in inches
A 185/75R13 tire measures
23.9" tall × 7.3" wide
5.46" sidewall on a 13" wheel. 843 revolutions per mile.
185/75R13 means a tire 185 mm wide, with sidewalls 75% as tall as the tire is wide (139 mm), radial construction (R), for a 13 inch wheel.
185/75R13 specs
| Overall diameter (height) | 23.93 inches (608 mm) |
|---|---|
| Section width | 7.28 inches (185 mm) |
| Sidewall height | 5.46 inches (139 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 75.2 inches (1,909 mm) |
| Revolutions per mile | 843 |
| Revolutions per kilometer | 524 |
| Approximate rim width | 5.0" to 6.5" |
| In inches (flotation style) | 23.9x7.3R13 |
| Aspect ratio | 75% |
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 185/75R13 on a 13" wheel
These 13" sizes are within 3% of 185/75R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 215/65R13 | 24.00" | 8.46" | +0.3% | 60.2 mph | Compare |
| 175/80R13 | 24.02" | 6.89" | +0.4% | 60.2 mph | Compare |
| 165/85R13 | 24.04" | 6.50" | +0.5% | 60.3 mph | Compare |
| 235/60R13 | 24.10" | 9.25" | +0.7% | 60.4 mph | Compare |
| 195/70R13 | 23.75" | 7.68" | −0.7% | 59.6 mph | Compare |
| 225/60R13 | 23.63" | 8.86" | −1.2% | 59.3 mph | Compare |
| 205/70R13 | 24.30" | 8.07" | +1.6% | 60.9 mph | Compare |
| 205/65R13 | 23.49" | 8.07" | −1.8% | 58.9 mph | Compare |
| 165/80R13 | 23.39" | 6.50" | −2.2% | 58.7 mph | Compare |
| 155/85R13 | 23.37" | 6.10" | −2.3% | 58.6 mph | Compare |
| 195/75R13 | 24.52" | 7.68" | +2.5% | 61.5 mph | Compare |
| 225/65R13 | 24.52" | 8.86" | +2.5% | 61.5 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 215/35R18 | 18" | 23.93" | 0.0% | Compare |
| 195/45R17 | 17" | 23.91" | −0.1% | Compare |
| 175/65R15 | 15" | 23.96" | +0.1% | Compare |
| 225/45R16 | 16" | 23.97" | +0.2% | Compare |
| 205/55R15 | 15" | 23.88" | −0.2% | Compare |
| 195/65R14 | 14" | 23.98" | +0.2% | Compare |
| 225/50R15 | 15" | 23.86" | −0.3% | Compare |
| 205/30R19 | 19" | 23.84" | −0.3% | Compare |
| 185/55R16 | 16" | 24.01" | +0.4% | Compare |
| 255/25R19 | 19" | 24.02" | +0.4% | Compare |
| 255/35R17 | 17" | 24.03" | +0.4% | Compare |
| 245/25R19 | 19" | 23.82" | −0.4% | Compare |
One size up or down
- 175/75R13narrower: 23.3" × 6.9"
- 195/75R13wider: 24.5" × 7.7"
- 185/70R13lower profile: 23.2" × 7.3"
- 185/80R13taller sidewall: 24.7" × 7.3"
Compare 185/75R13 with another size
Questions
- How tall is a 185/75R13 tire?
- A 185/75R13 tire is 23.9 inches tall (608 mm), calculated from the size. It is 7.3 inches wide with 5.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 185/75R13 mean?
- 185/75R13 means a tire 185 mm wide, with sidewalls 75% as tall as the tire is wide (139 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 185/75R13 tire make?
- About 843 revolutions per mile, based on a circumference of 75.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 185/75R13 tire?
- Roughly 5.0" to 6.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 215/65R13 instead of 185/75R13?
- 215/65R13 is +0.08 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.