Do Aries and Libra go together? Taurus and Scorpio? Two Pisces? Astrology has an age-old, straightforward answer: it looks at the element of each sign, at their quality, and at the angle they form with each other in the zodiac. From these factors, a tendency emerges for each of the 78 combinations. The table shows them at a glance, and each cell links to a detailed page.
The background of elemental theory and its limits are explained in the guide article Understanding Zodiac Sign Compatibility. This page is the companion reference: all 78 pairs, each with its own interpretation.
All combinations at a glance
familiar = conjunctionunfamiliar = semi-sextilecomplementary = sextilechallenging = squareharmonious = trineforeign yet magnetic = quincunxmagnetic = opposition
How do you read the zodiac sign compatibility chart?
Each cell describes the angle between two signs. Signs in the same element (four steps apart, trine) and in related elements (two steps, sextile) naturally get along. Signs that share the same quality but belong to different elements (three steps, square) create friction because they channel the same drive in different directions. Opposite signs (six steps, opposition) attract and complement each other when they can hold the tension between them. Neighboring signs and signs five steps apart have little in common, and for that reason they tend to learn the most from each other.
The four elements
- Fire: Fire represents drive, enthusiasm, and the courage to start things. (Aries, Leo, Sagittarius)
- Earth: Earth represents reliability, a sense of what is achievable, and patience. (Taurus, Virgo, Capricorn)
- Air: Air represents exchange, ideas, and seeing the bigger picture. (Gemini, Libra, Aquarius)
- Water: Water represents feeling, closeness, and a fine sensitivity to what lies beneath the surface. (Cancer, Scorpio, Pisces)
The seven angles
- Conjunction (same sign, “familiar”): You two share the same sign.
- Semi-sextile (1 sign apart, “unfamiliar”): Your signs sit right next to each other yet have little in common: different element, different quality, different pace.
- Sextile (2 signs apart, “complementary”): Your signs are in a sextile, two steps apart, in related elements.
- Square (3 signs apart, “friction-filled”): Your signs are in a square, three steps apart and sharing the same quality.
- Trine (4 signs apart, “harmonious”): Your signs are in a trine, four steps apart, in the same element.
- Quincunx (5 signs apart, “foreign and magnetic”): Your signs are in a quincunx, five steps apart, with no shared element and no shared quality.
- Opposition (6 signs apart, “magnetic”): your signs face each other across the zodiac.
What can the zodiac sign compatibility chart tell you, and what can’t it?
It compares Sun signs, meaning just one single factor. In day-to-day life together, the Moon (needs), Venus (affection), Mars (desire), and the Ascendant (how you come across) matter at least as much, and above all the connections between both birth charts. That is exactly what a Relationship Horoscope Book offers. This table is a starting point: an invitation to look more closely, not a verdict on two people.
Frequently asked questions about zodiac sign compatibility
Which zodiac signs are most compatible?
According to classical theory, signs of the same element and signs of related elements get along most easily: fire with air, earth with water. In the zodiac, these are the signs in a trine (four signs apart) and a sextile (two signs apart). Easy does not automatically mean good, though. Many lasting relationships are born from tension.
Which zodiac signs are least compatible?
There is no combination that cannot work. Signs in a square (three signs apart) are considered the most challenging: same quality, different element, meaning the same drive is channeled in different directions. These pairs create friction, but they also tend to grow the most through each other.
How reliable is zodiac sign compatibility?
It only compares Sun signs, which is just one factor among many. The Moon, Venus, Mars, the Ascendant, and the connections between both birth charts matter at least as much for a relationship. This table is a starting point for reflection, not a verdict.
What is a Relationship Horoscope Book?
A Relationship Horoscope Book (synastry) compares the complete birth charts of two people: all planets, houses, and the aspects between them. It shows what sustains the couple, where tension arises, and what each person can learn from the other. You will need the date, time, and place of birth for both people.