275/35R21 in inches
A 275/35R21 tire stands 28.6 inches tall and is 10.8 inches wide. It fits a 21-inch wheel.
Tall
28.6″
726 mm
Wide
10.8″
275 mm
Wheel
21″
rim diameter
Cars that come with 275/35R21
Similar-height sizes
Within 3% of 275/35R21, so your speedometer stays close.
| Size | Height | vs 275/35R21 | |
|---|---|---|---|
| 225/60R18 | 28.6″ | +0.2%needs 18″ wheels | Compare |
| 225/65R17 | 28.5″ | −0.2%needs 17″ wheels | Compare |
| 225/55R19 | 28.7″ | +0.6%needs 19″ wheels | Compare |
| 235/50R19 | 28.3″ | −1.1%needs 19″ wheels | Compare |
| 235/55R18 | 28.2″ | −1.4%needs 18″ wheels | Compare |
| 235/65R17 | 29.0″ | +1.6%needs 17″ wheels | Compare |
| 255/45R20 | 29.0″ | +1.6%needs 20″ wheels | Compare |
| 235/60R17 | 28.1″ | −1.7%needs 17″ wheels | Compare |
How 275/35R21 is measured
| Measurement | Inches | Millimetres |
|---|---|---|
| Overall height (diameter) | 28.58 | 726 |
| Tread width | 10.83 | 275 |
| Sidewall height | 3.79 | 96 |
| Distance per turn (circumference) | 89.8 | 2280 |
| Turns per mile | 706 | |
The first number (275) is the width in millimetres. The second (35) means the sidewall is 35% as tall as the tire is wide. The last (21) is the wheel size in inches. More on reading a tire size.