215/65R16 Tire Size
215/65R16 diameter, sidewall, revolutions per mile, and plus-sizing options.
The 215/65R16 tire size breaks down as: 215 mm section width, 65% aspect ratio, and a 16-inch rim. Below are its real, calculated dimensions.
215/65R16 Calculated Dimensions
| Metric | Value |
|---|---|
| Overall diameter | 27.0 in (686 mm) |
| Sidewall height | 5.5 in (140 mm) |
| Circumference | 84.8 in (2155 mm) |
| Revolutions per mile | 747 |
Typical Fitment
215/65R16 is most often found on crossovers and small SUVs. Always confirm against the door-jamb placard or owner manual before fitting.
Plus-Sizing Alternatives
These sizes keep the overall diameter close to 215/65R16, so speedometer and gearing stay near stock:
| Size | Diameter | Diameter change |
|---|---|---|
| 225/60R16 | 26.63 in | -1.4% |
| 225/55R17 | 26.74 in | -1.0% |
| 235/50R18 | 27.25 in | +0.9% |
Speedometer Note
If you fit a 225/60R16 instead of 215/65R16, the diameter changes by -1.4%. A taller tire makes your speedometer read low — at a true 60 mph it would show roughly 61 mph. A shorter tire has the opposite effect, so the gauge reads high.
Use the tire calculator to compare 215/65R16 against any other size and see the exact diameter and speedometer difference.
Frequently Asked Questions
What does 215/65R16 mean?
215/65R16 means a 215 mm wide tire with a 65% sidewall aspect ratio mounted on a 16-inch rim. The aspect ratio is the sidewall height as a percentage of the width.
Can I plus-size from 215/65R16?
Yes, as long as the replacement keeps the overall diameter close to stock so the speedometer stays accurate. Common plus-size moves from 215/65R16 are 225/60R16, 225/55R17, 235/50R18.
Will 215/65R16 affect my speedometer?
Only if it differs in diameter from your original size. A taller tire reads low; a shorter tire reads high. Compare the two sizes with the calculator to find the percentage.