185/70R13 tire size in inches
A 185/70R13 tire measures
23.2" tall × 7.3" wide
5.10" sidewall on a 13" wheel. 869 revolutions per mile.
185/70R13 means a tire 185 mm wide, with sidewalls 70% as tall as the tire is wide (130 mm), radial construction (R), for a 13 inch wheel.
185/70R13 specs
| Overall diameter (height) | 23.20 inches (589 mm) |
|---|---|
| Section width | 7.28 inches (185 mm) |
| Sidewall height | 5.10 inches (130 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 72.9 inches (1,851 mm) |
| Revolutions per mile | 869 |
| Revolutions per kilometer | 540 |
| Approximate rim width | 5.0" to 6.5" |
| In inches (flotation style) | 23.2x7.3R13 |
| 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 185/70R13 on a 13" wheel
These 13" sizes are within 3% of 185/70R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 215/60R13 | 23.16" | 8.46" | −0.2% | 59.9 mph | Compare |
| 175/75R13 | 23.33" | 6.89" | +0.6% | 60.4 mph | Compare |
| 155/85R13 | 23.37" | 6.10" | +0.8% | 60.5 mph | Compare |
| 165/80R13 | 23.39" | 6.50" | +0.8% | 60.5 mph | Compare |
| 195/65R13 | 22.98" | 7.68" | −0.9% | 59.4 mph | Compare |
| 205/65R13 | 23.49" | 8.07" | +1.3% | 60.8 mph | Compare |
| 225/60R13 | 23.63" | 8.86" | +1.9% | 61.1 mph | Compare |
| 155/80R13 | 22.76" | 6.10" | −1.9% | 58.9 mph | Compare |
| 165/75R13 | 22.74" | 6.50" | −2.0% | 58.8 mph | Compare |
| 145/85R13 | 22.70" | 5.71" | −2.1% | 58.7 mph | Compare |
| 205/60R13 | 22.69" | 8.07" | −2.2% | 58.7 mph | Compare |
| 175/70R13 | 22.65" | 6.89" | −2.4% | 58.6 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 225/35R17 | 17" | 23.20" | 0.0% | Compare |
| 195/60R14 | 14" | 23.21" | +0.1% | Compare |
| 215/25R19 | 19" | 23.23" | +0.2% | Compare |
| 155/75R14 | 14" | 23.15" | −0.2% | Compare |
| 195/40R17 | 17" | 23.14" | −0.2% | Compare |
| 205/45R16 | 16" | 23.26" | +0.3% | Compare |
| 175/60R15 | 15" | 23.27" | +0.3% | Compare |
| 185/50R16 | 16" | 23.28" | +0.4% | Compare |
| 165/70R14 | 14" | 23.09" | −0.4% | Compare |
| 225/40R16 | 16" | 23.09" | −0.5% | Compare |
| 215/55R14 | 14" | 23.31" | +0.5% | Compare |
| 205/50R15 | 15" | 23.07" | −0.5% | Compare |
One size up or down
- 175/70R13narrower: 22.6" × 6.9"
- 195/70R13wider: 23.7" × 7.7"
- 185/65R13lower profile: 22.5" × 7.3"
- 185/75R13taller sidewall: 23.9" × 7.3"
Compare 185/70R13 with another size
Questions
- How tall is a 185/70R13 tire?
- A 185/70R13 tire is 23.2 inches tall (589 mm), calculated from the size. It is 7.3 inches wide with 5.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 185/70R13 mean?
- 185/70R13 means a tire 185 mm wide, with sidewalls 70% as tall as the tire is wide (130 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 185/70R13 tire make?
- About 869 revolutions per mile, based on a circumference of 72.9 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 185/70R13 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 215/60R13 instead of 185/70R13?
- 215/60R13 is −0.04 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.