195/55R16 Tire Size
195/55R16 diameter, sidewall, revolutions per mile, and plus-sizing options.
The 195/55R16 tire size breaks down as: 195 mm section width, 55% aspect ratio, and a 16-inch rim. Below are its real, calculated dimensions.
195/55R16 Calculated Dimensions
| Metric | Value |
|---|---|
| Overall diameter | 24.4 in (621 mm) |
| Sidewall height | 4.2 in (107 mm) |
| Circumference | 76.8 in (1951 mm) |
| Revolutions per mile | 825 |
Typical Fitment
195/55R16 is most often found on compact sport sedans. Always confirm against the door-jamb placard or owner manual before fitting.
Plus-Sizing Alternatives
These sizes keep the overall diameter close to 195/55R16, so speedometer and gearing stay near stock:
| Size | Diameter | Diameter change |
|---|---|---|
| 205/50R16 | 24.07 in | -1.5% |
| 205/45R17 | 24.26 in | -0.7% |
| 215/40R18 | 24.77 in | +1.3% |
Speedometer Note
If you fit a 205/50R16 instead of 195/55R16, the diameter changes by -1.5%. 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 195/55R16 against any other size and see the exact diameter and speedometer difference.
Frequently Asked Questions
What does 195/55R16 mean?
195/55R16 means a 195 mm wide tire with a 55% 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 195/55R16?
Yes, as long as the replacement keeps the overall diameter close to stock so the speedometer stays accurate. Common plus-size moves from 195/55R16 are 205/50R16, 205/45R17, 215/40R18.
Will 195/55R16 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.