Free astrology calculators
Calculate a single placement, compare two people, or explore the timing active now. Every result uses the same tested chart engine and tells you what the birth data can—and cannot—support.
Recommended for your question
Compare two natal charts to understand attraction, communication, emotional needs and friction.
Start with an exact natal chart, then compare two people through planetary contacts—not a name-based compatibility score.
Explore the midpoint composite chart created by two people together.
Explore attraction, emotional needs and relationship dynamics using calculated birth-chart placements.
Recommended for your question
Compare current planetary movement with your natal chart using an exact calculation snapshot.
Calculate secondary progressions to explore the developmental chapter unfolding now.
Calculate the exact return of the Sun to its natal longitude for a selected year and location.
Locate exact Saturn returns and calculate the chart for each return event.
Good places to start
Complete chart tools
Relationship clarity
Compare two natal charts to understand attraction, communication, emotional needs and friction.
Open this calculator →The relationship itself
Explore the midpoint composite chart created by two people together.
Open this calculator →How two charts interact
Start with an exact natal chart, then compare two people through planetary contacts—not a name-based compatibility score.
Open this calculator →Relationship patterns
Explore attraction, emotional needs and relationship dynamics using calculated birth-chart placements.
Open this calculator →Compare the big three
Understand how two people’s identity, emotional needs and first-impression styles meet.
Open this calculator →Love and relationships
Begin with your real natal chart to explore attraction and relationship needs. We do not invent a percentage from two names.
Open this calculator →Complete chart tools
What is active now
Compare current planetary movement with your natal chart using an exact calculation snapshot.
Open this calculator →Your inner season
Calculate secondary progressions to explore the developmental chapter unfolding now.
Open this calculator →Your year ahead
Calculate the exact return of the Sun to its natal longitude for a selected year and location.
Open this calculator →Your month ahead
Calculate the Moon’s exact return to its natal longitude for a selected cycle and location.
Open this calculator →A major life threshold
Locate exact Saturn returns and calculate the chart for each return event.
Open this calculator →Complete chart tools
Understand yourself
Calculate your natal chart, houses, angles, aspects and meaningful free interpretation.
Open this calculator →Calculation standards
Date, local time, place, timezone, and house system can all affect a chart. When a birth time is unknown, we show stable placements and ranges instead of silently substituting noon.