145/85R13 tire size in inches
A 145/85R13 tire measures
22.7" tall × 5.7" wide
4.85" sidewall on a 13" wheel. 888 revolutions per mile.
145/85R13 means a tire 145 mm wide, with sidewalls 85% as tall as the tire is wide (123 mm), radial construction (R), for a 13 inch wheel.
145/85R13 specs
| Overall diameter (height) | 22.70 inches (577 mm) |
|---|---|
| Section width | 5.71 inches (145 mm) |
| Sidewall height | 4.85 inches (123 mm) |
| Wheel (rim) diameter | 13 inches |
| Circumference | 71.3 inches (1,812 mm) |
| Revolutions per mile | 888 |
| Revolutions per kilometer | 552 |
| Approximate rim width | 3.5" to 5.0" |
| In inches (flotation style) | 22.7x5.7R13 |
| Aspect ratio | 85% |
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 145/85R13 on a 13" wheel
These 13" sizes are within 3% of 145/85R13's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 205/60R13 | 22.69" | 8.07" | −0.1% | 59.9 mph | Compare |
| 165/75R13 | 22.74" | 6.50" | +0.2% | 60.1 mph | Compare |
| 155/80R13 | 22.76" | 6.10" | +0.3% | 60.2 mph | Compare |
| 175/70R13 | 22.65" | 6.89" | −0.3% | 59.8 mph | Compare |
| 185/65R13 | 22.47" | 7.28" | −1.0% | 59.4 mph | Compare |
| 195/65R13 | 22.98" | 7.68" | +1.2% | 60.7 mph | Compare |
| 215/60R13 | 23.16" | 8.46" | +2.0% | 61.2 mph | Compare |
| 185/70R13 | 23.20" | 7.28" | +2.2% | 61.3 mph | Compare |
| 195/60R13 | 22.21" | 7.68" | −2.2% | 58.7 mph | Compare |
| 155/75R13 | 22.15" | 6.10" | −2.4% | 58.5 mph | Compare |
| 145/80R13 | 22.13" | 5.71" | −2.5% | 58.5 mph | Compare |
| 165/70R13 | 22.09" | 6.50" | −2.7% | 58.4 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 195/50R15 | 15" | 22.68" | −0.1% | Compare |
| 185/60R14 | 14" | 22.74" | +0.2% | Compare |
| 205/35R17 | 17" | 22.65" | −0.2% | Compare |
| 215/40R16 | 16" | 22.77" | +0.3% | Compare |
| 215/45R15 | 15" | 22.62" | −0.4% | Compare |
| 165/60R15 | 15" | 22.80" | +0.4% | Compare |
| 185/40R17 | 17" | 22.83" | +0.5% | Compare |
| 175/55R15 | 15" | 22.58" | −0.6% | Compare |
| 185/45R16 | 16" | 22.56" | −0.7% | Compare |
| 155/70R14 | 14" | 22.54" | −0.7% | Compare |
| 205/55R14 | 14" | 22.88" | +0.8% | Compare |
| 195/45R16 | 16" | 22.91" | +0.9% | Compare |
One size up or down
Compare 145/85R13 with another size
Questions
- How tall is a 145/85R13 tire?
- A 145/85R13 tire is 22.7 inches tall (577 mm), calculated from the size. It is 5.7 inches wide with 4.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 145/85R13 mean?
- 145/85R13 means a tire 145 mm wide, with sidewalls 85% as tall as the tire is wide (123 mm), radial construction (R), for a 13 inch wheel.
- How many revolutions per mile does a 145/85R13 tire make?
- About 888 revolutions per mile, based on a circumference of 71.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 145/85R13 tire?
- Roughly 3.5" to 5.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 205/60R13 instead of 145/85R13?
- 205/60R13 is −0.02 inches (−0.1%) 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.