Tyre Size Calculator
Calculate alternative tyre sizes, compare diameters, and check speedometer accuracy.
Current Tyre Size
205/55R16
Alternative Tyre Size
215/50R17
16"
Current
205/55R16
vs
17"
Alternative
215/50R17
Results
| Attributes | Current | Alternative | Difference |
|---|---|---|---|
| Overall Diameter | 631.9 mm | 646.8 mm | +14.9 mm |
| Sidewall Height | 112.8 mm | 107.5 mm | -5.3 mm |
| Circumference | 1985 mm | 2032 mm | +47 mm |
| Revs / km | 504 | 492 | -12 |
| Width Difference | 205 mm | 215 mm | +10 mm |
Speedometer Difference
+2.36%
Diameter Difference
+14.9mm
✓
Clearance Impact
Within acceptable range (±3%)
Within acceptable range (±3%)