189 Precision Calculators
Every calculator in one visual library.
Filter by keyword or tradition below, or inspect our live ephemeris and astrocartography instruments.
Live Planetary Horizon & Meridian Lines
Live Ephemeris Positions
12 tools
Beginner sign finders
FeaturedZodiac Sign Finder
Find your Sun sign from your birth date.
FeaturedMoon Sign Finder
Find your Moon sign and what it says about your feelings.
FeaturedRising Sign Finder
Find your Rising sign, the face you show the world.
FeaturedBig Three Calculator
See your Sun, Moon, and Rising signs in one place.
Mercury Sign Finder
See how you think, talk, and share ideas.
Venus Sign Finder
See what you value in love, beauty, and connection.
Mars Sign Finder
See how you take action, chase goals, and handle conflict.
Jupiter Sign Finder
See where growth, luck, and bigger opportunities show up.
Saturn Sign Finder
See where life asks for patience, work, and long-term focus.
Outer Planet Sign Finder
Find your Uranus, Neptune, and Pluto signs.
Chinese Zodiac Finder
Find your Chinese zodiac animal and element by birth year.
Vedic Rashi Finder
Find your Vedic Moon sign (Janma Rashi).
17 tools
Essential birth-chart tools
FeaturedBirth Chart Generator
Create your full birth chart with planets and houses.
FeaturedInteractive Birth Chart
Tap any planet, house, or aspect to learn what it means.
FeaturedPlain-English Birth Chart Report
Read your chart in clear, everyday language.
Planet-in-Sign Calculator
See which zodiac sign each planet was in at birth.
Planet-in-House Calculator
See which life area (house) each planet sits in.
House Cusp Calculator
See the starting sign and degree of all 12 houses.
Aspect Calculator
Find the main links between planets in your chart.
Aspect Pattern Finder
Spot big patterns like T-squares or Grand Trines.
Chart Ruler Finder
Find the planet that rules your Rising sign.
Dominant Planet Calculator
See which planets are strongest in your chart.
Dominant Sign Calculator
See which zodiac signs show up most in your chart.
Dominant House Calculator
See which life areas stand out most for you.
FeaturedTrue vs. Mean Black Moon Lilith Calculator
Compare True and Mean Lilith and what each can highlight.
FeaturedLunar Nodes Calculator (Rahu / Ketu)
Find your North and South Nodes (Rahu and Ketu).
Vertex / Anti-Vertex Finder
Find your Vertex and Anti-Vertex “fated meeting” axis.
FeaturedMidheaven (MC) & Imum Coeli (IC) Calculator
Find your Midheaven (public path) and IC (private roots).
Part of Spirit / Pars Spiritus Calculator
Find the Part of Spirit: focus, will, and directed effort.
17 tools
Accessible natal-analysis tools
FeaturedElement Balance Calculator
See how balanced fire, earth, air, and water are in your chart.
FeaturedModality Balance Calculator
See if you lean toward starting, staying, or adapting.
Polarity Balance Calculator
Compare outgoing and inward-facing signs in your chart.
Personal Planet Profile
Get a simple overview of Sun through Mars.
Chart Signature Calculator
Find your chart's overall “flavor” from element and style.
Angular Planet Finder
Find planets near key chart angles that stand out loudly.
Retrograde Planet Finder
See which planets were retrograde when you were born.
Stellium Finder
Find clusters of three or more planets in one place.
Empty House Explainer
Learn what an empty house means and why it still matters.
Intercepted Sign Finder
Find signs tucked inside houses without a cusp.
Critical Degree Finder
Flag planets on sensitive or “turning point” degrees.
Unaspected Planet Finder
Find planets that make few major links to other planets.
FeaturedHemisphere & Quadrant Emphasis Tool
See which chart half and quarter holds most of your planets.
FeaturedChart Shape / Pattern Identifier
Identify chart shapes like Bowl, Bundle, Bucket, or Seesaw.
Mutual Reception Finder
Find planets sitting in each other's signs.
Combustion & Cazimi Finder
Find planets very close to the Sun (combust or cazimi).
Lunar Nodes Aspect Calculator
See which planets touch or square your nodal axis.
12 tools
Personality and life-area tools
FeaturedLove Style Profile
See how you love, attract, and connect with others.
FeaturedCareer Astrology Profile
Explore career themes from your Midheaven and 10th house.
Money Profile
Explore money, values, and shared resources in your chart.
Communication Style Tool
See how you speak, listen, and process information.
Emotional Needs Profile
See what helps you feel safe, cared for, and understood.
Friendship Style Profile
See how you show up in friendships and groups.
Home and Family Profile
Explore home, family roots, and what “safe” feels like.
Creativity Profile
Explore creative gifts, play, and self-expression.
Leadership Style Profile
See how you lead, decide, and take charge.
Learning Style Profile
See how you learn best and where curiosity leads you.
Wellness-Routine Profile
Explore daily habits and self-care themes (not medical advice).
Spirituality Profile
Explore belief, meaning, and inner life themes.
14 tools
Horoscope and forecasting tools
FeaturedPersonal Daily Horoscope
Get a daily forecast based on today's sky and your chart.
FeaturedWeekly Personal Horoscope
See the main themes for your next seven days.
FeaturedMonthly Personal Horoscope
See the bigger transit themes for the month ahead.
FeaturedAnnual Astrology Forecast
Get a simple overview of your year's major cycles.
Today’s Transit Chart
Compare today's sky with your birth chart.
Transit Calendar
See upcoming dates when planets touch your chart.
Transit Timeline
See when a transit starts, peaks, and fades.
Current Planet Positions
Check where the planets are right now.
Retrograde Calendar
See retrograde dates and the days around them.
Planet Ingress Calendar
See when planets move into a new sign.
Aspect Calendar
See upcoming planet-to-planet aspects by date.
Personal Important-Dates Finder
Find your most active personal transit dates.
Tertiary & Minor Progressions Calculator
Create short-term progressed charts for finer timing.
Converse Transits / Converse Progressions Tool
Cast reverse-direction timing charts used in advanced work.
14 tools
Returns and life-cycle tools
FeaturedSaturn Return Calculator
Find your Saturn Return timing and phases.
FeaturedSolar Return Chart
Create your birthday-year chart for the year ahead.
Lunar Return Chart
Create a monthly chart for the Moon's return.
Jupiter Return Calculator
Find your roughly 12-year Jupiter growth cycles.
Venus Return Calculator
Find when Venus returns to its birth place in your chart.
Mars Return Calculator
Find when Mars returns to its birth place in your chart.
Mercury Return Calculator
Find when Mercury returns to its birth place in your chart.
Nodal Return Calculator
Find Lunar Node return and opposition periods.
Chiron Return Calculator
Estimate your Chiron Return timing.
Planetary Return Finder
Find the next exact return for any planet you choose.
Birthday Year Theme Tool
Get simple themes for the year after your birthday.
Astrological Age Milestones
See major life-cycle ages mapped on a timeline.
FeaturedUranus Opposition / Midlife Transition Calculator
Find dates for the Uranus opposition midlife transit.
Neptune Square Neptune & Pluto Square Pluto Calculator
Find Neptune and Pluto square dates in adult life cycles.
14 tools
Moon and lunar-planning tools
FeaturedMoon Phase Finder
Find the Moon phase for any date you choose.
FeaturedPersonal Moon Calendar
Track Moon signs, phases, and links to your chart.
New Moon Intention Planner
See which part of your chart each New Moon lights up.
Full Moon Reflection Tool
See which part of your chart each Full Moon highlights.
Void-of-Course Moon Calendar
See Void-of-Course Moon windows on a calendar.
Moon Sign Calendar
See when the Moon changes signs.
Lunar Mansion Finder
Find the lunar mansion for a date in your chosen tradition.
Natal Lunar Phase Profile
Learn the Moon phase you were born under.
Progressed Moon Phase Calculator
Find your current progressed Moon phase.
Moon Return Planner
Plan around your monthly Moon Return themes.
Eclipse Calendar
See upcoming solar and lunar eclipse dates.
Personal Eclipse Impact Tool
See which eclipses land closest to your chart.
Lunar Fertility / Jonas Method Calendar
Estimate fertility windows using the Jonas Moon method.
Decumbiture Chart Generator
Cast a traditional chart for the start of an illness.
15 tools
Relationship astrology tools
FeaturedZodiac Compatibility Calculator
Compare two Sun signs for a quick compatibility snapshot.
FeaturedSynastry Chart Calculator
Compare two full birth charts for relationship insights.
FeaturedPlain-English Relationship Report
Read relationship chart themes in simple language.
Love Compatibility Score
Get separate scores for feelings, romance, and talk style.
Friendship Compatibility Tool
See how two charts connect as friends.
Business Partner Compatibility
See how two charts may work together in business.
Parent–Child Compatibility
See communication and care styles between parent and child.
Composite Chart Calculator
Create a midpoint “relationship as a third chart.”
Davison Relationship Chart
Create a relationship chart from the midpoint in time and place.
Progressed Synastry Calculator
Compare how two charts grow and change over time.
Relationship Transit Calendar
Track sky events that touch a couple's charts.
Relationship Strengths and Friction Map
See where a pair feels easy, tense, or growing.
FeaturedDraconic Synastry Calculator
Compare two draconic charts for deeper relationship themes.
FeaturedSynastry House Overlay Explorer
See where one person's planets fall in the other's houses.
Midpoint Synastry Matrix
Compare one person's planets to the other's midpoints.
14 tools
Vedic astrology tools
FeaturedJanma Kundli Generator
Create a Vedic (sidereal) birth chart.
FeaturedNakshatra Finder
Find your birth star (nakshatra), pada, and ruler.
FeaturedLagna Calculator
Find your Vedic Ascendant (Lagna).
FeaturedVimshottari Dasha Calculator
See your Mahadasha and Antardasha timing periods.
FeaturedKundli Matching / Guna Milan
Check traditional marriage-matching (Guna Milan) scores.
Manglik Dosha Calculator
Check common Manglik Dosha chart patterns.
Kala Sarpa Yoga Calculator
Check for Kala Sarpa Yoga in a Vedic chart.
Yoga Finder
Find classic planetary yogas in a Vedic chart.
Dosha Finder
Check selected Vedic doshas with plain definitions.
Navamsa/D9 Chart Calculator
Create the Navamsa (D9) chart used in Vedic practice.
Divisional Chart Generator
Explore key Vedic divisional charts (vargas).
Gochar Transit Calculator
See current Vedic transits (gochara) to your chart.
Nakshatra Tara Bala Calculator
Check Tara Bala day favorability from your birth star.
FeaturedSade Sati Phase Breakdown
Break Sade Sati into rising, peak, and setting phases.
16 tools
More advanced Vedic tools
Sade Sati Calculator
Check if Saturn's Sade Sati period is active for you.
Ashtakavarga Calculator
See Ashtakavarga strength scores by sign and house.
Shadbala Calculator
See traditional six-fold planetary strength scores.
Bhava Bala Calculator
See house strength scores in a Vedic chart.
Ayanamsha Comparison Tool
Compare how ayanamsha choices change chart positions.
Panchanga Calculator
Calculate the day's panchanga factors in simple terms.
Muhurta Finder
Find auspicious timing windows (muhurta) for an event.
KP Astrology Calculator
Run key KP astrology calculations for a chart.
Jaimini Karaka Calculator
Find Jaimini Chara Karakas (planet significators).
Arudha Pada Calculator
Calculate Arudha Lagna and related padas.
Upagraha Calculator
Calculate Gulika, Mandi, and other secondary points.
Vedic Dasha Comparison Tool
Compare Vimshottari with other dasha systems.
FeaturedJaimini Chara Dasha Calculator
Calculate Jaimini Chara (sign-based) dasha periods.
Karakamsha Chart Generator
Build the Karakamsha chart from the Atmakaraka in D9.
Sarvatobhadra Chakra Tool
Explore the Sarvatobhadra transit wheel and vedhas.
FeaturedVarshaphala / Tajika Annual Chart
Create a Vedic annual (Varshaphala / Tajika) chart.
15 tools
Traditional and Hellenistic astrology tools
Annual Profection Calculator
Find this year's activated house and Time Lord.
Zodiacal Releasing Calculator
Map Zodiacal Releasing timing periods from selected Lots.
Firdaria Calculator
Calculate medieval Firdaria planetary periods.
Decennials Calculator
Calculate planetary decade (decennial) periods.
Primary Directions Calculator
Calculate primary directions for planets and angles.
Secondary Progressions Calculator
Create a progressed chart using day-for-a-year timing.
Solar Arc Directions Calculator
Move chart points by the Sun's progressed arc.
Lot of Fortune Calculator
Find your Lot (Part) of Fortune.
Arabic Lots Calculator
Calculate Fortune, Spirit, and other Arabic Lots.
Sect Calculator
See if your chart is a day chart or a night chart.
Essential Dignity Calculator
Score how strong planets are in their signs.
Accidental Dignity Calculator
Score strength from house place, speed, and condition.
Hyleg and Alcocoden Finder
Find traditional Hyleg and Alcocoden life significators.
FeaturedPlanetary Day and Planetary Hour Calculator
Find today's planetary day and hour from local sunrise.
Bounds / Terms Table Comparison
Compare Egyptian, Ptolemaic, and Chaldean bounds/terms.
12 tools
Location, timing, and specialist tools
FeaturedAstrocartography Map
See your planetary lines mapped across the world.
FeaturedBest City for Me Explorer
Search cities that match themes from your map lines.
Relocation Chart Calculator
Recast your houses and angles for a new city.
Local Space Map
See planetary directions from a chosen place.
Paran Line Finder
Find places where planets hit angles together.
Travel Transit Planner
Plan trips using dates, transits, and location charts.
Electional Astrology Finder
Search for dates that meet the conditions you set.
Wedding Date Finder
Compare possible wedding dates with clear election rules.
Business Launch Date Finder
Compare possible launch times for a business.
Horary Chart Generator
Cast a chart for the moment you ask a question.
Birth-Time Rectification Assistant
Test possible birth times against known life events.
Birth-Time Accuracy Checker
See which chart factors change if birth time is uncertain.
17 tools
Additional high-value professional tools
Ephemeris Generator
Make planet position tables for any date range.
Ephemeris Search Engine
Find dates when a planet reaches a chosen degree.
Aspect Search Engine
Find dates when a chosen aspect becomes exact.
Planetary Cycle Calculator
Find major cycles like Jupiter–Saturn conjunctions.
Fixed Star Conjunction Finder
Check planets and angles against selected fixed stars.
Asteroid Placement Finder
Find placements for Chiron, Ceres, Juno, Vesta, and more.
Midpoint Calculator
Calculate planetary midpoints in your chart.
Harmonic Chart Generator
Create harmonic charts such as the 5th, 7th, or 9th.
Declination Aspect Finder
Find parallel and contraparallel aspects.
Out-of-Bounds Planet Finder
Find planets beyond the Sun's usual declination range.
House-System Comparison Tool
Compare Placidus, Whole Sign, Equal, Koch, and more.
Tropical–Sidereal Comparison
See how placements differ in tropical vs sidereal zodiacs.
FeaturedDraconic Natal Chart Generator
Create a draconic natal chart with the North Node at 0° Aries.
90° Dial / Cosmobiology Wheel
View hard aspects on a 90° cosmobiology dial.
Heliocentric Chart Generator
Create a Sun-centered (heliocentric) chart.
FeaturedSabian Symbol Directory & Degree Finder
Look up the Sabian Symbol for any zodiac degree.
Pre-Natal Eclipse Finder
Find the solar and lunar eclipses just before birth.