Zodiac Compatibility Calculator
Discover how your cosmic energies align. Enter both birth details to reveal your compatibility across love, communication, and emotional connection.
How Zodiac Compatibility Works
Zodiac compatibility is based on the interplay between two people's complete astrological profiles — not just their sun signs. At its core, compatibility analysis examines three key dimensions: the sun sign (your core identity and ego), the moon sign (your emotional nature and inner needs), and the rising sign (your outer personality and first impressions).
When two charts are compared, astrologers look at how these three pillars interact. The sun signs reveal whether your fundamental life directions align. The moon signs show whether your emotional needs are compatible — do you nurture each other in the same language? The rising signs determine how you initially attract each other and how you present as a couple to the world.
Beyond these three pillars, deeper compatibility analysis considers planetary aspects between the two charts — known as synastry. For example, if one person's Venus (planet of love) forms a harmonious trine with the other person's Mars (planet of passion), there is a natural flow of romantic and physical energy between them.
What the Compatibility Score Means
Our compatibility score is calculated from multiple astrological factors, each contributing to the overall rating. The scoring system weighs elemental harmony, modal compatibility, and planetary aspects to produce a comprehensive picture of your relationship dynamics.
Elemental Harmony (30 points):Signs of the same element (Fire-Fire, Earth-Earth, Air-Air, Water-Water) share a natural understanding. Complementary elements (Fire-Air, Earth-Water) create dynamic balance. The score reflects how easily your fundamental energies flow together.
Sun Sign Relationship (25 points):Your sun signs represent your core identities. Harmonious aspects between sun signs — such as trines (120 degrees) and sextiles (60 degrees) — indicate natural ease and mutual support. Conjunctions (same sign) bring intense understanding but may amplify shared weaknesses.
Moon Sign Relationship (25 points):The moon governs emotions, instincts, and nurturing. Moon sign compatibility is often more important than sun sign compatibility for long-term relationships, as it determines whether you feel emotionally safe and understood with each other.
Rising Sign Relationship (20 points):Rising signs determine initial attraction and how you interact socially as a couple. Compatible rising signs create a harmonious first impression and smooth day-to-day interactions.
Beyond Sun Signs
Most popular astrology focuses heavily on sun sign compatibility, but this approach misses the deeper layers of astrological connection. Two people with "incompatible" sun signs may have profoundly compatible moon signs, creating a relationship that feels like home even when the surface dynamics seem challenging.
The moon sign is particularly crucial for long-term partnerships. While sun signs determine how you express your identity, moon signs reveal what you need to feel emotionally secure. If your moon signs are in harmonious aspects, you will naturally nurture each other in ways that feel right, even during difficult times.
The rising sign adds another vital dimension: it governs initial attraction and the "chemistry" you feel when first meeting someone. Rising signs in compatible elements create an immediate sense of ease and mutual recognition. This is why some people "just click" from the first moment — their rising signs are speaking the same language.