205/45R16 tire size in inches
A 205/45R16 tire measures
23.3" tall × 8.1" wide
3.63" sidewall on a 16" wheel. 867 revolutions per mile.
205/45R16 means a tire 205 mm wide, with sidewalls 45% as tall as the tire is wide (92 mm), radial construction (R), for a 16 inch wheel.
205/45R16 specs
| Overall diameter (height) | 23.26 inches (591 mm) |
|---|---|
| Section width | 8.07 inches (205 mm) |
| Sidewall height | 3.63 inches (92 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 73.1 inches (1,856 mm) |
| Revolutions per mile | 867 |
| Revolutions per kilometer | 539 |
| Approximate rim width | 6.5" to 8.0" |
| In inches (flotation style) | 23.3x8.1R16 |
| Aspect ratio | 45% |
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 205/45R16 on a 16" wheel
These 16" sizes are within 3% of 205/45R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 185/50R16 | 23.28" | 7.28" | +0.1% | 60.1 mph | Compare |
| 235/40R16 | 23.40" | 9.25" | +0.6% | 60.4 mph | Compare |
| 225/40R16 | 23.09" | 8.86" | −0.8% | 59.5 mph | Compare |
| 175/55R16 | 23.58" | 6.89" | +1.4% | 60.8 mph | Compare |
| 195/45R16 | 22.91" | 7.68" | −1.5% | 59.1 mph | Compare |
| 215/45R16 | 23.62" | 8.46" | +1.5% | 60.9 mph | Compare |
| 195/50R16 | 23.68" | 7.68" | +1.8% | 61.1 mph | Compare |
| 245/40R16 | 23.72" | 9.65" | +1.9% | 61.2 mph | Compare |
| 215/40R16 | 22.77" | 8.46" | −2.1% | 58.7 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 175/60R15 | 15" | 23.27" | 0.0% | Compare |
| 215/25R19 | 19" | 23.23" | −0.1% | Compare |
| 215/55R14 | 14" | 23.31" | +0.2% | Compare |
| 195/60R14 | 14" | 23.21" | −0.2% | Compare |
| 225/35R17 | 17" | 23.20" | −0.3% | Compare |
| 235/45R15 | 15" | 23.33" | +0.3% | Compare |
| 185/70R13 | 13" | 23.20" | −0.3% | Compare |
| 175/75R13 | 13" | 23.33" | +0.3% | Compare |
| 215/60R13 | 13" | 23.16" | −0.5% | Compare |
| 155/85R13 | 13" | 23.37" | +0.5% | Compare |
| 155/75R14 | 14" | 23.15" | −0.5% | Compare |
| 195/35R18 | 18" | 23.37" | +0.5% | Compare |
One size up or down
- 195/45R16narrower: 22.9" × 7.7"
- 215/45R16wider: 23.6" × 8.5"
- 205/40R16lower profile: 22.5" × 8.1"
- 205/50R16taller sidewall: 24.1" × 8.1"
Compare 205/45R16 with another size
Questions
- How tall is a 205/45R16 tire?
- A 205/45R16 tire is 23.3 inches tall (591 mm), calculated from the size. It is 8.1 inches wide with 3.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 205/45R16 mean?
- 205/45R16 means a tire 205 mm wide, with sidewalls 45% as tall as the tire is wide (92 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 205/45R16 tire make?
- About 867 revolutions per mile, based on a circumference of 73.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 205/45R16 tire?
- Roughly 6.5" to 8.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 185/50R16 instead of 205/45R16?
- 185/50R16 is +0.02 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.