DNA Match Calculator
Translate shared centimorgans into the most likely relationships between DNA matches.
Free Tool
DNA Relationship Estimator
Enter the shared centimorgans (cM) to see likely relationships
Predictions are estimates. Endogamy (intermarrying within a small population) can make distant cousins appear closer than they are.
About Centimorgans (cM)
A centimorgan (cM) is a unit of genetic measurement. It measures how much DNA you share with another person. The higher the number, the closer the relationship.
- Parent/Child: ~3400 cM
- Full Sibling: ~2500 cM
- 1st Cousin: ~850 cM
- 2nd Cousin: ~220 cM