Sagittarius and Aquarius: a sextile
Sagittarius and Aquarius are a mutable fire sign and a fixed air sign. Signs two apart form a sextile, one of the harmonious aspects in astrology. Their elements are compatible, fire with air or earth with water, so the two are said to understand each other easily and to enjoy each other’s company. The sextile is often described as an opportunity: the match flows well, but it grows strongest when both put in some active effort.
Sagittarius and Aquarius in love
Sagittarius brings optimism and adventure: plans for trips, big ideas and plenty of laughter. Aquarius brings originality and friendship: new perspectives, interesting people and plenty of freedom. Fire and air are traditionally a natural match, because air feeds fire. Air brings ideas and conversation, fire brings energy and enthusiasm, and together they are said to enjoy a lively, sociable and inspiring relationship full of plans. The traditional caution is that both may prefer excitement to everyday responsibilities, so someone has to take care of the practical side. In our model, love scores 86%.
Sagittarius and Aquarius as friends and colleagues
A fixed and a mutable sign balance stability and flexibility. The fixed sign provides consistency and stamina, the mutable sign adaptability and new ideas. As friends and colleagues they can complement each other well, although the fixed side may find the mutable side inconsistent, and the mutable side may find the fixed side stubborn. Friendship scores 90% and work 80% in our rule-based model. Friendship is the strongest of the three areas for this pair.
Where it can rub, and what helps
Sagittarius can be blunt and restless, and slow to commit to plans. Aquarius can seem distant or stubborn and may retreat into ideas when feelings run high. Sagittarius needs freedom, honesty and a partner who enjoys exploring as much as they do. Aquarius needs space, honesty and a partner who is also a real friend.
Zodiac Compatibility
- Virgo + Capricorn
- Virgo + Aquarius
- Virgo + Pisces
- Libra + Libra
- Libra + Scorpio
- Libra + Sagittarius
- Libra + Capricorn
- Libra + Aquarius
- Libra + Pisces
- Scorpio + Scorpio
- Scorpio + Sagittarius
- Scorpio + Capricorn
- Scorpio + Aquarius
- Scorpio + Pisces
- Sagittarius + Sagittarius
- Sagittarius + Capricorn
- Sagittarius + Aquarius
- Sagittarius + Pisces
- Capricorn + Capricorn
- Capricorn + Aquarius
- Capricorn + Pisces
- Aquarius + Aquarius
- Aquarius + Pisces
- Pisces + Pisces
How to use
- 1Choose the first zodiac sign.
- 2Choose the second sign (it can be the same sign).
- 3Read the overall score and the separate love, friendship and work scores, with the rules behind each one.
- 4Open the detailed page for the pair, or see how the first sign scores with all 12 signs.
How the score is calculated
The score is rule-based and fully transparent. It starts from the angle between the two signs, using the traditional aspects of astrology: a trine (four signs apart, same element) scores 90, a sextile (two apart) 80, the same sign (conjunction) 68, an opposition 62, a semi-sextile (neighbouring signs) 52, a square (three apart) 45 and a quincunx (five apart) 42. Small adjustments are then made for the element pair and the modality pair, separately for love, friendship and work. The overall score is the average of the three.
Elements and modalities
Traditionally, fire and air are said to feed each other, as are earth and water, while fire with water or earth with air is considered harder going. Two fire signs get a bonus for passion and friendship, two earth signs for work. The modality adjustment looks at how two signs handle action: two cardinal signs may compete for the lead, while a cardinal and a fixed sign tend to divide work well, as one starts and the other finishes. The tool lists every adjustment, so you can see where each point comes from.
What the score can and cannot tell you
The calculator compares Sun signs only. It does not use birth charts, so it says nothing about the Moon, Venus, the rising sign or anything else astrologers would look at for a full synastry. More importantly, astrology has no scientific basis: no study has shown that zodiac signs predict whether two people get along. Treat the score as entertainment and a fun way to talk about relationships. Real compatibility depends on communication, shared values and effort, not on birth dates.
Frequently asked questions
Which zodiac signs are most compatible?
By the traditional rules used here, signs of the same element (a trine), such as Aries and Leo or Taurus and Virgo, score highest, followed by sextiles such as Aries and Gemini.
Are Aries and Leo compatible?
Yes, by traditional rules they are one of the best matches: two fire signs four apart, forming a trine. Open the Aries and Leo page for the full breakdown.
Can two people with the same sign be compatible?
Yes. Same-sign pairs score in the middle range: they understand each other easily but also share the same weak spots.
Why is the score different on other websites?
There is no standard formula. This tool uses published, traditional rules and shows each step, so you can see exactly how the number is reached.
Does the calculator use my birth chart?
No. It only compares the two Sun signs. For your planetary positions, use the birth chart calculator.
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