Astrology Compatibility Calculator | Love Calculator

  • Adam
  • November 1, 2025

Calculate complete astrology compatibility! Check sun, moon, Venus, Mars synastry scores. Free full birth chart compatibility calculator with GenZ vibes.

โœจ๐ŸŒ™โญ๐Ÿ’ซ

Astrology Compatibility Calculator ๐Ÿ’ซ

๐Ÿ”ฎ Check your FULL birth chart compatibility - Sun, Moon, Venus & Mars! ๐Ÿ”ฎ

๐Ÿ’ซโญ๐ŸŒ™โœจ

โœจ What You'll Learn

๐ŸŒŸ Enter both birth charts for COMPLETE astrology compatibility analysis! ๐ŸŒŸ

๐ŸŒŸ Your Birth Chart

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HH:MM - Get accurate rising sign!

๐Ÿ’• Their Birth Chart

MM/DD/YYYY
HH:MM - Get accurate rising sign!
Person 1 ๐Ÿ’ซ Person 2
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OVERALL COMPATIBILITY
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โœจ Cosmic Connection!

Your cosmic compatibility analysis appears here!

โ˜€๏ธ SUN COMPATIBILITY

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Core Identity

๐ŸŒ™ MOON COMPATIBILITY

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Emotional Connection

๐Ÿ’– VENUS COMPATIBILITY

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Love & Affection

๐Ÿ”ฅ MARS COMPATIBILITY

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Passion & Intimacy

๐Ÿ’ฌ COMMUNICATION

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Mercury Synastry

๐Ÿ  LONG-TERM BOND

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Saturn Aspects

โœจ Detailed Compatibility Breakdown

๐Ÿซ€ Emotional Intimacy 0%
๐Ÿ’ฅ Physical Attraction 0%
๐Ÿ’ญ Mental Connection 0%
๐Ÿ” Trust & Loyalty 0%
๐ŸŒˆ Spiritual Alignment 0%

๐ŸŒ Planet Placements Explained

โ˜€๏ธ Sun Sign - Your Core Identity

What it is: Your basic personality, ego, and life purpose. In Synastry: Harmonious sun signs create instant understanding and shared values. Challenging aspects mean you see the world differently but can balance each other. In Relationships: Good sun compatibility = compatible life goals and worldview!

Sun Compatibility Score = Element Harmony + Aspect Analysis + Sign Polarity

๐ŸŒ™ Moon Sign - Your Emotional Nature

What it is: Your inner emotional world, how you feel and process emotions. In Synastry: This is CRUCIAL! Moon sign compatibility = emotional understanding and nurturing potential. Same moon signs? You GET each other on a deep level! In Relationships: Great moon compatibility = you feel safe with each other emotionally!

Moon Compatibility Score = Emotional Security + Nurturing Ability + Instinctual Harmony

๐Ÿ’– Venus Sign - How You Love

What it is: How you express love, what you value, and your romantic style. In Synastry: Venus compatibility = romantic attraction and how you show affection. This is what determines if you "vibe" romantically! In Relationships: Similar Venus signs mean similar love languages - you express and receive love in compatible ways!

Venus Compatibility Score = Romantic Expression + Affection Alignment + Value Harmony

๐Ÿ”ฅ Mars Sign - Your Passion & Drive

What it is: Your passion, sexual desire, and how you pursue what you want. In Synastry: Mars compatibility = physical chemistry and sexual compatibility. Harmonious Mars = hot attraction! Challenging Mars = tension (could be good or bad). In Relationships: Mars chemistry = that spark and excitement!

Mars Compatibility Score = Physical Chemistry + Sexual Harmony + Passion Alignment

๐Ÿ’ฌ Mercury Sign - Communication

What it is: How you think and communicate. In Synastry: Mercury compatibility = can you actually TALK to each other? Do you understand each other's communication style? Harmonious Mercury = great conversations! In Relationships: Good Mercury = you can solve problems through discussion!

๐Ÿ  Saturn Aspects - Long-Term Potential

What it is: Lessons and stability in the relationship. In Synastry: Saturn aspects show if this relationship can last! Saturn conjunctions = soulmate potential! Saturn challenges = you need to work through issues. In Relationships: Saturn synastry = the "forever" factor!

๐Ÿ’ซ Pro Tip: You need GOOD CHART OVERALL, not just one good placement! Great moon compatibility can overcome challenging sun aspects. Great Venus can make Mars challenges work. It's all about balance! โš–๏ธ

๐Ÿ”ฎ What is Synastry?

Understanding Synastry Compatibility

Synastry is the art of comparing two birth charts to see how they interact cosmically! It's literally the horoscope for your relationship. When your planets make harmonious aspects to their planets = magic! When they make challenging aspects = growth opportunities (or drama, depending on the aspect).

Conjunctions (Same Degree) โ˜Œ

Vibe: INTENSE connection! When your planet is in the same degree as their planet, you feel them DEEPLY. Good For: Sun conjunctions = soulmate vibes, Moon conjunctions = emotional understanding, Venus conjunctions = romantic attraction. Challenge: Can feel too intense sometimes!

Trines (120ยฐ Apart) โ–ณ

Vibe: HARMONIOUS and effortless! Trines are the "good luck" aspect. Good For: Everything flows naturally! Moon trines = emotional support comes easy, Venus trines = love just works. Challenge: Can become complacent because it's TOO easy!

Sextiles (60ยฐ Apart) โœถ

Vibe: SUPPORTIVE and cooperative! Sextiles are like trines but require slightly more effort. Good For: Building something together! Challenge: Need to actively work the aspect to get results.

Squares (90ยฐ Apart) โ—ป

Vibe: TENSION and friction! Squares create challenges but also growth. Good For: Learning from each other! Can create strong bonds if you work through it. Challenge: Can be annoying, frustrating, or even toxic if you don't communicate!

Oppositions (180ยฐ Apart) โ˜

Vibe: COMPLEMENTARY but can be intense! Oppositions are "you complete me" or "you drive me crazy" energy. Good For: Balancing each other out! Challenge: Can feel like opposites repelling if you don't understand!

Synastry Calculation = ฮฃ(Aspect Harmony Scores) / Total Aspects ร— 100%
Compatibility = (Harmonious Aspects - Challenging Aspects) ร— Weight + Planetary Emphasis
๐Ÿ’ก Remember: Your full synastry report would show EVERY planet to EVERY planet interaction! This calculator gives you the highlights for a quick overview. Professional astrologers would do a 40+ page analysis!

๐Ÿ”ฎ Your Questions About Astrology Compatibility!

Why is birth time so important? +
Your rising sign (ascendant) is determined by your EXACT birth time! Even 10 minutes changes your entire rising sign, which affects your house placements and calculations. Without birth time, you're missing like 25% of your chart! Plus, synastry aspects involving rising signs = major compatibility indicators. If you don't know your birth time, look at your birth certificate or call the hospital! โฐ
What if our sun signs are "incompatible"? +
RELAX! Your FULL chart matters way more than just sun signs! You could have challenging sun sign compatibility but AMAZING moon synastry, incredible Venus chemistry, and strong Saturn connections. Many "incompatible" sun signs create legendary relationships because their other placements align perfectly! Think of sun compatibility as one ingredient in a huge cake! ๐Ÿฐ
What does Venus square Mars mean in synastry? +
Venus square Mars = SPICY! This is intense attraction with friction. You're attracted but also kinda frustrated with each other? It creates this magnetic push-pull dynamic. Some couples LOVE this energy because it keeps things exciting! Others find it exhausting. Depends on your whole chart and how you handle conflict! ๐Ÿ”ฅ๐Ÿ’ซ
Can Saturn aspects in synastry mean soulmate? +
YES YES YES! Saturn conjunctions in synastry = SOULMATE VIBES! Saturn is the karmic planet - when your Saturn touches their personal planets (especially Sun or Moon), it's like you've known each other for lifetimes! Saturn aspects feel destined and meant-to-be. People with Saturn synastry often describe it as "I just KNOW this person" energy! ๐ŸŒŸ
What's the difference between sun sign compatibility and synastry? +
Sun sign compatibility (like Aries + Leo = compatible fire signs) is a SUPER simplified version of astrology. Synastry is the REAL DEAL - it compares your entire birth charts to see how ALL your planets interact! It's like comparing a trailer vs the full movie! You could have "incompatible" sun signs but incredible synastry, or compatible sun signs but meh synastry. Synastry tells the REAL story! ๐Ÿ“–
Is this calculator 100% accurate?
This calculator gives you a FUN overview using simplified calculations! For a REAL synastry reading, you need a professional astrologer who will: calculate exact aspects with orbs, consider all planetary interactions, analyze composite charts, look at progressions, and provide nuanced interpretation! But this? This is perfect for exploring astrology and having fun! Think of it as a vibes check, not gospel truth! โœจ
What if I don't know my birth time? +
You can still get compatibility insights! Just know that without birth time, you're missing your rising sign and house placements. Use time 12:00 PM as a placeholder and note that your actual compatibility might be slightly different! Try to get your birth certificate from the hospital or vital records - it's worth it! Some people have their birth time in baby records or family bibles! ๐Ÿ”
Can good synastry overcome real relationship problems? +
REAL TALK? No! Great synastry can help you work through problems and understand each other better, but astrology can't fix dishonesty, disrespect, or incompatible life goals. Astrology is a TOOL for understanding, not a magic fix! Even with perfect synastry, you still need communication, trust, effort, and genuine love! Let's be real bestie - the stars can support your relationship but YOU build it! ๐Ÿ’ช๐Ÿ’•

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