Tire sizes / 275/50R21
275/50R21 Tire Size
275/50R21
- 275: tread width of 275 mm (10.8 in)
- 50: sidewall height is 50% of the width, about 138 mm
- R: radial construction
- 21: fits a 21-inch wheel
Dimensions
| Overall diameter | 31.8 in (808 mm) |
|---|---|
| Section width | 10.8 in (275 mm) |
| Sidewall height | 5.4 in (138 mm) |
| Wheel diameter | 21 in |
| Revolutions per mile | about 634 |
Nominal figures calculated from the size code. Real tires vary a little by brand and tread depth.
Cars that came with 275/50R21 tires
Factory fitment only, from owner's manuals. Many other cars can run this size; check with a tire shop before changing size.