205/50R16 Tire Size
205/50R16 diameter, sidewall, revolutions per mile, and plus-sizing options.
The 205/50R16 tire size breaks down as: 205 mm section width, 50% aspect ratio, and a 16-inch rim. Below are its real, calculated dimensions.
205/50R16 Calculated Dimensions
| Metric | Value |
|---|---|
| Overall diameter | 24.1 in (611 mm) |
| Sidewall height | 4.0 in (102 mm) |
| Circumference | 75.6 in (1921 mm) |
| Revolutions per mile | 838 |
Typical Fitment
205/50R16 is most often found on sport compacts. Always confirm against the door-jamb placard or owner manual before fitting.
Plus-Sizing Alternatives
These sizes keep the overall diameter close to 205/50R16, so speedometer and gearing stay near stock:
| Size | Diameter | Diameter change |
|---|---|---|
| 215/50R16 | 24.46 in | +1.6% |
| 215/40R17 | 23.77 in | -1.2% |
| 225/35R18 | 24.20 in | +0.5% |
Speedometer Note
If you fit a 215/50R16 instead of 205/50R16, the diameter changes by +1.6%. A taller tire makes your speedometer read low — at a true 60 mph it would show roughly 59 mph. A shorter tire has the opposite effect, so the gauge reads high.
Use the tire calculator to compare 205/50R16 against any other size and see the exact diameter and speedometer difference.
Frequently Asked Questions
What does 205/50R16 mean?
205/50R16 means a 205 mm wide tire with a 50% 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 205/50R16?
Yes, as long as the replacement keeps the overall diameter close to stock so the speedometer stays accurate. Common plus-size moves from 205/50R16 are 215/50R16, 215/40R17, 225/35R18.
Will 205/50R16 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.