Free calculator
Love compatibility
Four numbers each, compared one by one: Life Path, Expression, Soul Urge and Birthday. A single percentage hides more than it tells — this shows you where two people agree and where they will have to translate.
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Add both dates of birth — and both names for the full four-number reading — then compare.
How the triads work
1·5·7
The independent triad
Self-directed, physical, allergic to being managed. These three understand each other's need for room.
2·4·8
The practical triad
Structure, loyalty, material competence. Plans made here get kept, and effort is the love language.
3·6·9
The expressive triad
Creative, social, other-oriented. Warmth comes easily; boundaries are the shared lesson.