Cousin calculator
Find cousin degree and removal from how many generations you each are from a shared ancestor.
Enter generation counts to see the relationship label (e.g. second cousin once removed).
Quick reference
Count upward from each person to the nearest shared ancestor. The smaller count minus one is the cousin degree; the difference between counts is the removal.
| Shared ancestor | Typical label |
|---|---|
| Grandparent | First cousin |
| Great-grandparent | Second cousin |
| Great-great-grandparent | Third cousin |