295/45R20 tire size in inches
A 295/45R20 tire measures
30.5" tall × 11.6" wide
5.23" sidewall on a 20" wheel. 662 revolutions per mile.
295/45R20 means a tire 295 mm wide, with sidewalls 45% as tall as the tire is wide (133 mm), radial construction (R), for a 20 inch wheel.
295/45R20 specs
| Overall diameter (height) | 30.45 inches (774 mm) |
|---|---|
| Section width | 11.61 inches (295 mm) |
| Sidewall height | 5.23 inches (133 mm) |
| Wheel (rim) diameter | 20 inches |
| Circumference | 95.7 inches (2,430 mm) |
| Revolutions per mile | 662 |
| Revolutions per kilometer | 412 |
| Approximate rim width | 9.5" to 11.0" |
| In inches (flotation style) | 30.5x11.6R20 |
| 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 295/45R20 on a 20" wheel
These 20" sizes are within 3% of 295/45R20's overall diameter, the range most tire shops treat as interchangeable.
| Size | Diameter | Width | Difference | Real speed at 60 | |
|---|---|---|---|---|---|
| 265/50R20 | 30.43" | 10.43" | −0.1% | 60.0 mph | Compare |
| 335/40R20 | 30.55" | 13.19" | +0.3% | 60.2 mph | Compare |
| 245/55R20 | 30.61" | 9.65" | +0.5% | 60.3 mph | Compare |
| 225/60R20 | 30.63" | 8.86" | +0.6% | 60.3 mph | Compare |
| 325/40R20 | 30.24" | 12.80" | −0.7% | 59.6 mph | Compare |
| 235/55R20 | 30.18" | 9.25" | −0.9% | 59.5 mph | Compare |
| 215/60R20 | 30.16" | 8.46" | −1.0% | 59.4 mph | Compare |
| 285/45R20 | 30.10" | 11.22" | −1.2% | 59.3 mph | Compare |
| 305/45R20 | 30.81" | 12.01" | +1.2% | 60.7 mph | Compare |
| 275/50R20 | 30.83" | 10.83" | +1.2% | 60.7 mph | Compare |
| 255/50R20 | 30.04" | 10.04" | −1.4% | 59.2 mph | Compare |
| 345/40R20 | 30.87" | 13.58" | +1.4% | 60.8 mph | Compare |
Same height on other wheel sizes (plus and minus sizing)
| Size | Wheel | Diameter | Difference | |
|---|---|---|---|---|
| 285/60R17 | 17" | 30.46" | 0.0% | Compare |
| 245/75R16 | 16" | 30.47" | +0.1% | Compare |
| 245/80R15 | 15" | 30.43" | −0.1% | Compare |
| 265/55R19 | 19" | 30.48" | +0.1% | Compare |
| 275/30R24 | 24" | 30.50" | +0.1% | Compare |
| 305/35R22 | 22" | 30.41" | −0.2% | Compare |
| 225/70R18 | 18" | 30.40" | −0.2% | Compare |
| 245/70R17 | 17" | 30.50" | +0.2% | Compare |
| 315/50R18 | 18" | 30.40" | −0.2% | Compare |
| 245/85R14 | 14" | 30.40" | −0.2% | Compare |
| 325/25R24 | 24" | 30.40" | −0.2% | Compare |
| 345/35R21 | 21" | 30.51" | +0.2% | Compare |
One size up or down
- 285/45R20narrower: 30.1" × 11.2"
- 305/45R20wider: 30.8" × 12.0"
- 295/40R20lower profile: 29.3" × 11.6"
- 295/50R20taller sidewall: 31.6" × 11.6"
Compare 295/45R20 with another size
Questions
- How tall is a 295/45R20 tire?
- A 295/45R20 tire is 30.5 inches tall (774 mm), calculated from the size. It is 11.6 inches wide with 5.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
- What does 295/45R20 mean?
- 295/45R20 means a tire 295 mm wide, with sidewalls 45% as tall as the tire is wide (133 mm), radial construction (R), for a 20 inch wheel.
- How many revolutions per mile does a 295/45R20 tire make?
- About 662 revolutions per mile, based on a circumference of 95.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
- What rim width fits a 295/45R20 tire?
- Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
- Can I use 265/50R20 instead of 295/45R20?
- 265/50R20 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.