Zodiac compatibility: which signs go together

In astrology, zodiac compatibility comes down to three things: the signs’ elements (fire, earth, air, and water), their modalities (cardinal, fixed, and mutable), and the way the planets in two people’s birth charts line up. The short version is that signs of the same element understand each other most easily, fire pairs well with air, and earth pairs well with water. Everything else is detail, and the detail is where it gets interesting.

Fire signs (Aries, Leo, and Sagittarius) go naturally with air signs (Gemini, Libra, and Aquarius): air feeds fire, and fire warms air. Earth signs (Taurus, Virgo, and Capricorn) settle in well with water signs (Cancer, Scorpio, and Pisces): water nourishes earth, and earth gives water a shape.

Your Sun sign is only the starting point, though. A fuller picture also looks at your Moon sign (what you need emotionally), your rising sign (how you come across), and Venus (how you love and what you look for in a partner). Two people whose Sun signs clash on paper can fit beautifully once you count the rest of their charts.

One honest note before the charts. Astrology describes tendencies, not outcomes. A large study of census records for about 10 million married couples in England and Wales found that no pairing of Sun signs was more common than chance would predict. So read what follows as a way to think and talk about your relationship, for reflection and fun, not as a verdict on it. If you want to try it on your own relationship, make a free compatibility certificate, and if you’re curious about the intimate side, there’s also our sex horoscope.

Some combinations click so easily that astrologers have singled them out for centuries. These are the pairs that come up most often:

• Aries + Sagittarius: a shared appetite for adventure, spontaneity, and optimism. Two fire signs who live in the present.
• Taurus + Cancer: both value security, stability, and a real home. A calm, kind pair.
• Gemini + Libra: a meeting of minds that runs on conversation, a busy social life, and a shared eye for beautiful things.
• Leo + Sagittarius: both are energetic, charismatic, and in love with life. Lots of enthusiasm, lots of laughing.
• Virgo + Capricorn: reliable, ambitious, and hardworking. They share a sense of duty and long-term goals.
• Scorpio + Pisces: a deep emotional bond, intuitive understanding, and intensity. Two water signs with rich inner lives.

These are natural tendencies, not rules. Every relationship is its own thing and depends on what both people put into it. Astrology is a guide here, never a ruling.

On My Horoscope you can make a compatibility certificate for you and your partner. Enter both first names and birth dates, and in about 10 seconds you get a certificate showing how your signs match. It’s free, and you don’t need to sign up.

It’s meant to be fun, and it says so on the page. It makes a good small gift, a date-night conversation starter, or something to send to the group chat. The score is based on the same ideas this article covers: elements, modalities, and how the two signs relate.

Make your free compatibility certificate →

The table shows the basic rule of elemental compatibility, one of the oldest tools in astrology. Fire and air support each other. Air gives fire oxygen, and fire warms the air, which makes for a lively, high-energy relationship. Earth and water work well together too. Water nourishes earth, and earth gives water shape and direction.

Fire and water tend to be harder, because water can dampen fire’s energy and fire can leave water feeling evaporated. Air and earth can struggle in a similar way, when air’s lightness runs into earth’s practicality. None of that means these relationships can’t work. The harder combinations often lead to the most personal growth, because each partner has to learn to see the world from a completely different angle.

Modalities add a second layer. Cardinal signs (Aries, Cancer, Libra, and Capricorn) like to start things. Fixed signs (Taurus, Leo, Scorpio, and Aquarius) like to hold a course. Mutable signs (Gemini, Virgo, Sagittarius, and Pisces) like to adapt. Two fixed signs can dig in against each other, two cardinal signs can both want to lead, and a mutable partner often keeps the peace by bending. Knowing which one you are explains a lot of arguments about who decides what.

Elements are a starting point. The real chemistry between two people depends on their whole birth charts, their life experience, and how much respect they have for each other.

Here’s a compatibility chart for all 12 zodiac signs. Find your sign in the left column and your partner’s sign across the top. The ratings are based on elements, modalities, and the traditional aspects between signs. For a closer look at one specific pair, make a compatibility certificate.

Key: ⭐⭐⭐⭐⭐ = the easiest matches, ⭐⭐⭐⭐ = strong harmony, ⭐⭐⭐ = good compatibility, ⭐⭐ = takes work, with room to grow

The chart follows traditional elemental astrology and the angles, or aspects, between signs. Signs of the same element sit four signs apart and form a trine, the easiest aspect. Signs two apart form a sextile, which is friendly: that’s every fire and air pair and every earth and water pair that aren’t opposites. Signs three apart form a square, which brings friction. Neighboring signs, and signs five apart, share neither an element nor a modality, and most of the two-star pairs come from those groups and from the squares. Signs directly across the zodiac form an opposition: they have a lot of pull toward each other and a lot to balance.

Notice that nothing in the chart gets one star. Astrologers don’t really believe in impossible pairs, only in pairs that ask for more effort. And a pair of the same sign gets three stars, not five: you understand each other right away, including the habits you don’t love in yourself. For your own pair, try the compatibility certificate, or see everything we offer for couples, families, and friends on the relationships page.

1. Aries + Sagittarius

Both are fire signs with a bottomless appetite for adventure, spontaneity, and optimism. Aries brings raw energy and determination. Sagittarius adds vision, a philosophical streak, and a sense of humor. Together they’re a couple who never get bored and are always planning the next trip. The risk: both can be impulsive and self-focused, which leads to blowups if neither learns to compromise.

2. Taurus + Cancer

This pair is all about stability, home, and feeling safe. Taurus brings material security, sensuality, and patience. Cancer offers emotional depth, care, and a strong family instinct. The relationship is calm, affectionate, and loyal, and the home they build is the kind people don’t want to leave. The risk: Cancer can get moody and Taurus too comfortable, and the two of them can slide into a rut.

3. Virgo + Capricorn

Two earth signs who share a work ethic, reliability, and an eye for detail. Virgo brings analysis and care. Capricorn adds ambition, discipline, and long-range planning. Together they can get a remarkable amount done, at work and at home, and they respect each other for it. The risk: the relationship can get too serious and lose its playfulness.

4. Scorpio + Pisces

A deep emotional bond between two water signs who understand each other without much explaining. Scorpio brings intensity, passion, and depth. Pisces offers empathy, imagination, and a spiritual side. The relationship is tender and private, full of shared dreams, a world nobody else gets into. The risk: both are sensitive and tend to withdraw when hurt, which can leave misunderstandings unspoken.

5. Gemini + Libra

An air pair that thrives on ideas, a full social calendar, and a shared sense of style. Gemini brings curiosity, wit, and range. Libra offers harmony, diplomacy, and taste. They never run out of things to talk about, and they’re good company at any party. The risk: both can be evasive and indecisive, which makes it hard to deal with serious problems when they come up.

6. Leo + Sagittarius

Two fire-sign extroverts in a big, exciting relationship. Leo brings charisma, generosity, and a flair for drama. Sagittarius adds independence, humor, and a love of travel. Together they light up a room, and their energy is contagious. The risk: both like the spotlight, and that can turn into a contest over who leads.

1. Aries + Capricorn

Both are hardworking and driven, but they go about it in opposite ways. Aries is impulsive and fast and runs on instinct. Aries wants results now. Capricorn is methodical and patient and plans years ahead. That difference in pace frustrates both sides: Aries sees Capricorn as slow, and Capricorn sees Aries as reckless. If they learn to respect each other’s speed, though, they make a formidable team. Aries starts things, and Capricorn finishes them. This relationship is a long lesson in patience.

2. Leo + Scorpio

A power struggle between two of the most intense signs in the zodiac. Leo wants admiration, recognition, and love shown out loud. Scorpio wants depth, loyalty, and total trust. Both are proud and strong-willed, and neither likes to back down, so the fights can be fierce. That same intensity is also their biggest strength. They share passion, determination, and an all-or-nothing approach to love. When they find a way to compromise and respect each other, the bond is very hard to break.

3. Gemini + Virgo

Both signs are ruled by Mercury, the planet of communication and thinking, but it shows up very differently in each. Gemini is scattered and spontaneous and loves change, jumping from topic to topic and always in motion. Virgo is a perfectionist who analyzes everything and needs order. At first glance, chaos and order can’t live together. In practice they can. Gemini teaches Virgo to loosen up and accept that life is unpredictable, and Virgo helps Gemini focus and follow through. When each one treats the other’s difference as a gift, the relationship gives both of them a lot.

The quickest way is the compatibility certificate on My Horoscope. Enter two first names and two birth dates, and in a few seconds you’ll see how the two of you match by sign. It’s free, there’s no sign-up, and you can share the result with your partner or your friends. It’s made for fun, so don’t cancel the wedding over it.

If you want to go past Sun signs, there are two next steps. Read our guides to the Moon sign and the rising sign, and compare those for the two of you as well. And if you’re a member, partner compatibility on the Cosmos plan and above compares both of your full birth charts, which shows far more than two signs ever can.

Make your free compatibility certificate