235/50R21 tire size
A 235/50R21 tire stands 30.3 inches tall and 9.3 inches wide, with a 4.6-inch sidewall on a 21-inch rim.
- Overall height
- 30.3 in768 mm
- Section width
- 9.3 in235 mm
- Sidewall height
- 4.6 in118 mm
- Rim diameter
- 21 in533 mm
- Circumference
- 95.0 in2414 mm
- Revolutions per mile
- 667414 per km
- Inch size
- 30.3x9.3R21
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 21-inch sizes are within two width steps and 3% of a 235/50R21's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 255/45R21, 0.7% shorter (0.22 in). Wider sizes also need room in the wheel well and a rim width that suits them.
Plus and minus sizes
Changing rim size means changing the sidewall to keep the same overall height. On 19-inch or 20-inch or 22-inch rims, these are the closest matches to a 235/50R21.
Shop 235/50R21 tires
These open each store's own list of 235/50R21 tires, where you can filter by type, load and speed rating.
235/50R21 questions
How tall is a 235/50R21 tire?
About 30.3 inches (768 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 235/50R21 mean?
235 is the section width in millimetres (9.3 in). 50 means the sidewall is 50% of that width: 118 mm, or 4.6 in. R means radial construction, and 21 is the rim diameter in inches.
What is 235/50R21 in inches?
In inch terms it is 30.3x9.3R21: 30.3 inches tall, 9.3 inches wide, for a 21-inch rim.
How many revolutions per mile does a 235/50R21 make?
About 667 turns per mile, worked out from its unloaded circumference of 95.0 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.