♋︎ Compatibility
Zodiac Compatibility Calculator
Do your star signs match? Pick two zodiac signs and see how they harmonise in love, communication and everyday life — with a reading for every pairing. Free and instant, right in your browser.
🔒 Nothing is stored or sent — the match is worked out on your device.
Good to know — sun-sign compatibility is for fun and reflection, not relationship advice. Real chemistry depends on far more than a star sign.
How the zodiac compatibility calculator works
This zodiac compatibility calculator compares two sun signs and scores how easily they tend to blend across three areas — love, communication and daily life. The scoring leans on the oldest idea in astrology: the four elements. Each sign belongs to Fire, Earth, Air or Water, and the way those elements meet sets the tone of the match.
Signs that share an element usually understand each other instinctively. Complementary elements — Fire with Air, or Earth with Water — tend to spark and energise one another. Opposing pairings, like Fire with Water or Air with Earth, bring more friction: often magnetic, but they ask for patience and compromise. The calculator turns those relationships into a percentage for each area and a short reading for your specific pair.
Sun signs are only the start
A sun-sign match is a fun first look, not the whole story. Two people with "clashing" signs can be wonderfully happy, and two "perfect" signs can struggle — because timing, values, effort and life circumstances matter far more than a birth month. For a deeper astrological view, a full synastry reading compares both complete birth charts, including the Moon, Venus and rising signs.
Getting the most from it
Try your own pairing first, then experiment — compare your sign with a friend's, a partner's, or a crush's, and read the reading rather than fixating on the number. The most interesting part is usually where a pairing scores lower: that's exactly where a little understanding goes the furthest.
Frequently asked questions
How is zodiac compatibility calculated?
From the element (Fire, Earth, Air, Water) and traditional pairing of the two signs. Same or complementary elements — like Fire with Air, or Earth with Water — tend to score higher, while opposing elements bring more friction.
Is this reliable for relationships?
No — sun-sign compatibility is for fun. A real relationship depends on far more than a star sign, including values, timing, effort and the full birth charts of both people.
Which signs are most compatible?
Traditionally, signs sharing an element (e.g. Fire + Fire) or with complementary elements (Fire + Air, Earth + Water) blend most easily. Pick any two above to see how your combination lands.
Do I need birth times?
No. This calculator works from the two sun signs alone. For a deeper picture, a full synastry reading would compare both complete birth charts.