245/45R16 tire size in inches
A 245/45R16 tire measures
24.7" tall × 9.6" wide
4.34" sidewall on a 16" wheel. 817 revolutions per mile.
245/45R16 means a tire 245 mm wide, with sidewalls 45% as tall as the tire is wide (110 mm), radial construction (R), for a 16 inch wheel.
245/45R16 specs
| Overall diameter (height) | 24.68 inches (627 mm) |
|---|---|
| Section width | 9.65 inches (245 mm) |
| Sidewall height | 4.34 inches (110 mm) |
| Wheel (rim) diameter | 16 inches |
| Circumference | 77.5 inches (1,969 mm) |
| Revolutions per mile | 817 |
| Revolutions per kilometer | 508 |
| Approximate rim width | 8.0" to 9.5" |
| In inches (flotation style) | 24.7x9.6R16 |
| 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 245/45R16 on a 16" wheel
These 16" sizes are within 3% of 245/45R16's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 275/40R16 | 24.66" | 10.83" | −0.1% | 60.0 mph | Compare |
| 185/60R16 | 24.74" | 7.28" | +0.2% | 60.1 mph | Compare |
| 225/50R16 | 24.86" | 8.86" | +0.7% | 60.4 mph | Compare |
| 205/55R16 | 24.88" | 8.07" | +0.8% | 60.5 mph | Compare |
| 215/50R16 | 24.46" | 8.46" | −0.9% | 59.5 mph | Compare |
| 195/55R16 | 24.44" | 7.68" | −1.0% | 59.4 mph | Compare |
| 175/65R16 | 24.96" | 6.89" | +1.1% | 60.7 mph | Compare |
| 285/40R16 | 24.98" | 11.22" | +1.2% | 60.7 mph | Compare |
| 265/40R16 | 24.35" | 10.43" | −1.4% | 59.2 mph | Compare |
| 255/45R16 | 25.04" | 10.04" | +1.4% | 60.9 mph | Compare |
| 235/45R16 | 24.33" | 9.25" | −1.4% | 59.1 mph | Compare |
| 175/60R16 | 24.27" | 6.89" | −1.7% | 59.0 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 195/50R17 | 17" | 24.68" | 0.0% | Compare |
| 205/60R15 | 15" | 24.69" | 0.0% | Compare |
| 185/80R13 | 13" | 24.65" | −0.1% | Compare |
| 175/85R13 | 13" | 24.71" | +0.1% | Compare |
| 205/35R19 | 19" | 24.65" | −0.1% | Compare |
| 175/70R15 | 15" | 24.65" | −0.1% | Compare |
| 245/50R15 | 15" | 24.65" | −0.1% | Compare |
| 245/40R17 | 17" | 24.72" | +0.1% | Compare |
| 225/60R14 | 14" | 24.63" | −0.2% | Compare |
| 235/25R20 | 20" | 24.63" | −0.2% | Compare |
| 165/75R15 | 15" | 24.74" | +0.3% | Compare |
| 215/45R17 | 17" | 24.62" | −0.3% | Compare |
One size up or down
- 235/45R16narrower: 24.3" × 9.3"
- 255/45R16wider: 25.0" × 10.0"
- 245/40R16lower profile: 23.7" × 9.6"
- 245/50R16taller sidewall: 25.6" × 9.6"
Compare 245/45R16 with another size
Questions
- How tall is a 245/45R16 tire?
- A 245/45R16 tire is 24.7 inches tall (627 mm), calculated from the size. It is 9.6 inches wide with 4.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 245/45R16 mean?
- 245/45R16 means a tire 245 mm wide, with sidewalls 45% as tall as the tire is wide (110 mm), radial construction (R), for a 16 inch wheel.
- How many revolutions per mile does a 245/45R16 tire make?
- About 817 revolutions per mile, based on a circumference of 77.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 245/45R16 tire?
- Roughly 8.0" to 9.5". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 275/40R16 instead of 245/45R16?
- 275/40R16 is −0.02 inches (−0.1%) 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.