Zodiac Compatibility Calculator
Select two zodiac signs to see their compatibility analysis, or enter two birth dates for a more detailed comparison.
What Is Zodiac Compatibility?
Zodiac compatibility (also called synastry) compares two people's birth charts to reveal the dynamics of their relationship. It goes far beyond simple Sun sign matching — by analyzing how all your planets interact with your partner's, you get a nuanced picture of attraction, communication, emotional bonding, and long-term potential.
What You'll Get
- Sun sign comparison — the fundamental personality match between you and your partner
- Planet-by-planet breakdown — how your Mercury (communication), Venus (love style), and Mars (passion) align with theirs
- Cross aspects (synastry) — the most powerful connections between your charts, showing where sparks fly and where friction exists
- Link to full analysis — a detailed compatibility report for your specific sign pairing
How Compatibility Works
Conjunctions (same sign) create intense connection — you mirror each other's energy. Trines (same element) flow effortlessly and feel natural. Sextiles bring opportunity and playful attraction. Squares create tension that can either spark passion or cause conflict. Oppositions attract like magnets but require balance.
The best relationships usually have a mix of harmonious and challenging aspects. Too much harmony can feel boring, while too much tension becomes exhausting. Enter both birth dates above to see your unique planetary chemistry — it takes just seconds and requires no sign-up.