245/30R20 in inches
A 245/30R20 tire stands 25.8 inches tall and is 9.6 inches wide. It fits a 20-inch wheel.
Tall
25.8″
655 mm
Wide
9.6″
245 mm
Wheel
20″
rim diameter
Cars that come with 245/30R20
Similar-height sizes
Within 3% of 245/30R20, so your speedometer stays close.
| Size | Height | vs 245/30R20 | |
|---|---|---|---|
| 245/35R19 | 25.8″ | −0.1%needs 19″ wheels | Compare |
| 245/40R18 | 25.7″ | −0.3%needs 18″ wheels | Compare |
| 225/50R17 | 25.9″ | +0.3%needs 17″ wheels | Compare |
| 215/50R17 | 25.5″ | −1.3%needs 17″ wheels | Compare |
| 215/60R16 | 26.2″ | +1.4%needs 16″ wheels | Compare |
| 235/40R18 | 25.4″ | −1.5%needs 18″ wheels | Compare |
| 215/55R16 | 25.3″ | −1.8%needs 16″ wheels | Compare |
| 215/55R17 | 26.3″ | +2.0%needs 17″ wheels | Compare |
How 245/30R20 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 25.79 | 655 |
| Tread width | 9.65 | 245 |
| Sidewall height | 2.89 | 73 |
| Distance per turn (circumference) | 81.0 | 2058 |
| Turns per mile | 782 | |
The first number (245) is the width in millimetres. The second (30) means the sidewall is 30% as tall as the tire is wide. The last (20) is the wheel size in inches. More on reading a tire size.