Zodiac Compatibility

How well do your signs get along? Explore love, friendship and communication for every one of the 78 zodiac pairings.

Compatibility chart

Sun-sign score out of 100. Tap any cell for the full breakdown.

SignAriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces
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478956775690479548764895
934989567559884793507548
509548905977589049955076
755093478858755688489348
487649954790567756894795
935075489349885674588846
499550765095488958775889
884993487550934788587656
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Compatibility by sign

Compatibility by relationship

How to read compatibility: a synastry guide

Astrology compatibility—synastry—doesn’t ask “Are we doomed or destined?” It asks “How do our charts negotiate needs, pace, and timing?” On this page you’ll learn to read two birth charts side by side: weigh the personal planets first (Sun, Moon, Mercury, Venus, Mars), check the big five aspects for ease or grit, then track house overlays to see where you land in each other’s life—home, money, career, intimacy. Expect specifics: what a Venus–Saturn square actually asks for (clear promises, steady warmth), why Mercury–Mars tension needs debate rules, and how Sun–Moon polarity becomes a daily rhythm instead of a tug-of-war. Use the examples, sign-pair links, and quick aspect routes to turn “why is this happening?” into one shared rule, one ritual, and a relationship that runs better in real life.

Compatibility isn’t “Are we meant to be?”—it’s How do we work? Synastry compares two birth charts to see how your planets vibe with theirs, which houses you light up for each other, and what aspects create ease or friction. It’s the map for romance, friendship, creative partners, co-founders, and family—any “you + them” dynamic.

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What Synastry Actually Shows

Synastry lays two charts on top of each other and watches the conversation between planets. Your Sun may energize their 10th house (you boost their career), while their Saturn squares your Venus (love meets timing and boundaries). It’s not fate; it’s a briefing: where the chemistry flows, where it squeaks, and what rules will keep the engine healthy. To read it well, layer planet nature, sign tone, house topics, and exact aspects.

How to Read Synastry (A Simple Framework)

Step 1: Start with the personal planets: Sun, Moon, Mercury, Venus, Mars. These set identity, needs, comms, love style, and pace. Step 2: Read the major angles between charts: conjunction, sextile, square, trine, opposition. Step 3: Track house overlays: where do you land in each other’s life—home, money, career, intimacy? Step 4: Add outer planets for seasoning: Jupiter brings growth, Saturn brings glue/tests, Uranus shakes, Neptune inspires/fogs, Pluto deepens.

Finally, translate into practice: one strength to double-down on, one friction to design around, and one shared ritual. That’s how synastry leaves the page and helps real people.

Planets That Move Relationships

Sun • Moon

The core pair: Sun–Moon harmony is easy rhythm; tension needs a schedule that honors purpose and rest. Oppositions are classic polarity—trade turns and you’ll grow fast.

Mercury

Communication styles. Mercury–Mercury flow = we “get” each other; Mercury–Mars square = sharp edges → rules for debates.

Venus • Mars

Bonding and pursuit. Conjunction = spark; opposition = pacing pact; Venus–Saturn asks for consistency and warmth.

Jupiter • Saturn

Growth and glue. Trines build sustainable wins; oppositions need a staircase plan.

Uranus • Neptune • Pluto

Awakenings, inspiration/fog, deep reform. Great teachers, intense seasons. Design for flexibility and honesty; link back to core values.

House Overlays (Where You Land in Their Life)

When your planet falls into someone’s house, you light up that part of their life. Your Sun in their 1st is energizing; in their 4th it feels like home; in their 10th you become a catalyst for career. Venus in someone’s 7th is textbook partnership vibes; Mars in the 8th is intense and transformative. Overlay reading is simple: planet nature × house meaning—then add aspects for tone.

Aspects That Move the Needle

In synastry, the five majors carry most of the story: conjunctions fuse, sextiles invite, squares train, trines ease, oppositions balance. Watch Mercury aspects for communication, Venus/Mars for attraction and pacing, Saturn for commitment and timing, Jupiter for generosity and growth, Uranus/Neptune/Pluto for change, inspiration, and depth.

Mercury–Venus (talk sweetly)

Venus–Mars (spark & pacing)

Venus–Saturn (trust-building)

Sun–Jupiter (generous encouragement)

Mars–Uranus (bold moves; safety rules)

Mini Case Studies (Translate Signals into Moves)

Romance: Venus □ Saturn

Sweetness meets timing/tests. Make a clear promise (Saturn) and a weekly ritual (Venus). Use budgeted dates so structure protects warmth. Read more: Venus square Saturn.

Work: Mercury □ Mars

Sharp minds, sharp elbows. Create a debate window with rules, then cool-down. Assign the final call to the relevant career owner. See: Mercury square Mars.

Family: Moon △ Venus

Kindness comes easily; name traditions so the good vibes persist under stress. See: Moon trine Venus.

Go beyond Sun signs

Skygram compares every planet in two birth charts — Moon, Venus, Mars, Ascendant and more — for a compatibility score that's actually about you.

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Compatibility FAQ

Which zodiac signs are most compatible?

Signs of the same element (trines) and complementary elements (sextiles) tend to score highest — for example Aries & Leo, Taurus & Virgo, Gemini & Libra and Cancer & Scorpio. Fire pairs well with air, and earth with water.

Which zodiac signs are least compatible?

Square (90°) and quincunx (150°) pairings, such as Aries & Cancer or Taurus & Sagittarius, face the most friction. Challenging doesn't mean doomed — these pairings often grow the most when both people put in the work.

How is this compatibility score calculated?

These Sun-sign scores combine the angle between the two signs, how their elements and modalities interact, and traditional astrological pairings. On Skygram, full-chart compatibility compares every planet in both birth charts for a far more personal result.

Is Sun-sign compatibility accurate?

It's a useful starting point, but only one layer. Your Moon, Venus, Mars and Rising sign often matter more for day-to-day chemistry, which is why two couples with the same Sun signs can have very different relationships.

Do I need a perfect birth time?

Exact times help (angles and houses change quickly). If you don’t know it, you can still read many planet-to-planet aspects . Treat house overlays cautiously and focus on consistent themes.

Are Sun-sign matches enough?

No. Sun signs help with tone, but the real story is in Moon / Mercury / Venus / Mars aspects and house overlays. Use Sun pairs to start, not to decide.

Synastry vs. Composite vs. Davison?

Synastry compares two charts (how you affect each other). Composite blends them into a midpoint chart (the relationship’s “entity”). Davison uses time/space midpoints. Start with synastry, then check composite for shared purpose.

What should I read next?

Run your charts, then see: planets • signs • houses • aspect hubs: conjunction , sextile , square , trine , opposition .