245/50R20 in inches
A 245/50R20 tire stands 29.6 inches tall and is 9.6 inches wide. It fits a 20-inch wheel. People usually call it a 30-inch tire.
Tall
29.6″
753 mm
Wide
9.6″
245 mm
Wheel
20″
rim diameter
Cars that come with 245/50R20
Similar-height sizes
Within 3% of 245/50R20, so your speedometer stays close.
| Size | Height | vs 245/50R20 | |
|---|---|---|---|
| 245/55R19 | 29.6″ | −0.1%needs 19″ wheels | Compare |
| 245/60R18 | 29.6″ | −0.2%needs 18″ wheels | Compare |
| 225/75R16 | 29.3″ | −1.2%needs 16″ wheels | Compare |
| 235/65R18 | 30.0″ | +1.3%needs 18″ wheels | Compare |
| 255/50R20 | 30.0″ | +1.3% | Compare |
| 235/50R20 | 29.3″ | −1.3% | Compare |
| 255/60R18 | 30.0″ | +1.4%needs 18″ wheels | Compare |
| 255/70R16 | 30.1″ | +1.4%needs 16″ wheels | Compare |
How 245/50R20 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 29.65 | 753 |
| Tread width | 9.65 | 245 |
| Sidewall height | 4.82 | 123 |
| Distance per turn (circumference) | 93.1 | 2366 |
| Turns per mile | 680 | |
The first number (245) is the width in millimetres. The second (50) means the sidewall is 50% as tall as the tire is wide. The last (20) is the wheel size in inches. More on reading a tire size.