Free tools
Professional astrology, in your browser.
76 calculators · Hellenistic, full Vedic suite (Kundli, Panchang, Sade Sati, Yoga, Remedies), Human Design, horary engine + fertility + sky-weather, full astrocartography stack · Swiss Ephemeris · free.
Start here · pick a question
The Blueprint
Natal chart placements that define your core personality, drives, and life path.
Astrology chart generator — free, no signup
Astrolium's free astrology chart generator runs on the Swiss Ephemeris with 23 house systems, 20,000 asteroids, and a 300 ms render. No signup, no email.
Free Rising Sign Calculator
Astrolium free Rising sign calculator computes your Ascendant from exact birth time and place to reveal your astrological mask. Swiss Ephemeris, no signup.
Free Moon Sign Calculator
Astrolium free Moon sign calculator returns your natal Moon sign by tropical, sidereal Lahiri, Raman, KP, or draconic zodiac on the Swiss Ephemeris.
Free Venus Sign Calculator
Astrolium free Venus sign calculator reveals your astrological love language, values, and attraction style using Swiss Ephemeris data. No signup needed.
Free Mars Sign Calculator
Astrolium free Mars sign calculator computes your inner drive, ambition, and how you take action in astrology. Find your true motivation instantly.
Free Mercury Sign Calculator
Astrolium free Mercury sign calculator finds your natal Mercury placement and interprets communication style, learning patterns, and decision-making.
Midheaven Calculator
Astrolium's free Midheaven calculator finds your MC sign and 10th house from birth data, then reads career direction, vocation, and public reputation.
Free North Node Calculator
Astrolium free North Node calculator returns your lunar node by sign and house, Mean Node and True Node, on the Swiss Ephemeris, in under 30 seconds.
Free South Node Calculator
Astrolium free South Node calculator returns your descending lunar node by sign and house, paired with the North Node, on Swiss Ephemeris in 30 seconds.
Part of Fortune Calculator
Astrolium's free Part of Fortune calculator returns ⊗ by sign, degree, and house with the correct day or night formula. Sect-aware. Under 300 ms in browser.
Lot of Spirit Calculator
Astrolium's free Lot of Spirit calculator returns the hellenistic lot of action and career with sect-aware formula. ZR-ready, under 300 ms across 12 signs.
Lilith Calculator
Astrolium Lilith calculator returns Black Moon Lilith, Mean and True Lilith, plus asteroid 1181 by sign and house on Swiss Ephemeris. Free, no signup.
Juno Calculator
Astrolium's free Juno astrology calculator returns asteroid Juno by sign and house, the marriage and commitment point, on Swiss Ephemeris, in under 30 seconds.
Vertex Calculator
Astrolium's free vertex calculator returns your vertex and anti-vertex by sign and house, on the Swiss Ephemeris, in under 30 seconds — synastry-ready.
Dominant Planet Calculator
Astrolium's free dominant planet calculator returns the most-weighted body in your chart by signs, houses, and aspects — Swiss Ephemeris, under 30 seconds.
Chart Ruler Calculator
Astrolium's free chart ruler calculator returns the lord of your ascendant — sign, house, dignity — traditional method, Swiss Ephemeris, in under 30 seconds.
Essential Dignities Calculator
Astrolium essential dignities calculator returns domicile, exaltation, triplicity, term, decan, and almuten figuris for every planet. Hellenistic. Free.
Sabian Symbol Calculator
Astrolium's Sabian symbol calculator reveals the 360 symbolic images for your Sun, Moon, rising, and all 9 natal planets. Free, instant, no signup required.
Fixed Stars Calculator
Astrolium's fixed star calculator finds Regulus, Algol, Spica, and 20+ fixed stars conjunct your natal planets within 2°, with traditional interpretations.
Asteroid Calculator
Astrolium's asteroid calculator returns 17 bodies: classical asteroids, centaurs, goddess asteroids, and dwarf planets, by sign and house. Swiss Ephemeris.
Relocation Chart Calculator
Astrolium relocation chart calculator recalculates your natal houses and angles for any city worldwide. 13 house systems, Swiss Ephemeris, free.
Draconic Chart Calculator
Astrolium's free draconic chart calculator shifts your natal planets so the North Node sits at 0° Aries, returning the draconic chart on the Swiss Ephemeris.
Harmonic Chart Calculator
Astrolium harmonic chart calculator runs any harmonic from H1 to H48, including the 5th, 7th, and 9th harmonic (navamsa). Free, Swiss Ephemeris.
Antiscia Astrology Calculator
Astrolium antiscia astrology calculator: solstitial and equinoctial antiscia per Lilly, plus contra-antiscia aspects. Free, Swiss Ephemeris, 1° default orb.
Heliocentric Astrology Calculator
Astrolium's heliocentric astrology calculator places Earth in the planetary table, omits Sun and Moon, shows the solar system from the Sun's frame. Free.
Local Space Astrology Calculator
Astrolium local space astrology calculator returns planetary azimuth, altitude, and directional lines from your birth horizon. Free, Swiss Ephemeris.
Traditional Astrology Calculator
Astrolium's traditional astrology calculator returns dignities, debilities, sect, dispositor chains, and mutual receptions for every classical planet.
The Forecast
Predictive techniques and timing methods to navigate what's coming.
Free Saturn Return Calculator
Astrolium free Saturn return calculator gives the three return dates with triple-pass retrograde windows, on the Swiss Ephemeris, in under 30 seconds.
Solar Return Chart Calculator
Astrolium's free solar return chart calculator returns your annual return wheel: tropical or precession-corrected, relocated to any city, under 30 seconds.
Annual Profections Calculator
Astrolium's free annual profections calculator returns this year's profected house, sign, and time-lord planet, with monthly and daily sub-periods on demand.
Zodiacal Releasing Calculator
Astrolium's free Zodiacal Releasing calculator lays out 8 major periods from Spirit and Fortune, flags peaks and loosing-of-the-bond — Valens method.
Firdaria Calculator
Astrolium's firdaria calculator returns your current time lord and sub-period from the Persian 75-year sequence, with period dates. Swiss Ephemeris. Free.
Secondary Progressions Calculator
Astrolium's free secondary progressions calculator returns your progressed chart for any year: day-for-a-year math on the Swiss Ephemeris, under 30 seconds.
Solar Arc Directions Calculator
Astrolium's solar arc directions calculator advances every natal planet by one degree per year to reveal directed positions and current themes. Free.
Transit Chart Calculator
Astrolium's free transit chart calculator returns current transits for any birth chart with interpretation: house, aspect, peak date, Swiss Ephemeris.
Lunar Return Calculator
Astrolium's free lunar return calculator returns the exact chart for each monthly lunar return — precession-aware, Swiss Ephemeris, under 30 seconds.
Jupiter Return Calculator
Astrolium's free Jupiter return calculator gives the exact dates of every Jupiter return in a chart — 11.86 year cycle, Swiss Ephemeris, under 30 seconds.
Venus Return Calculator
Astrolium's free Venus return calculator gives the exact date Venus returns to your natal degree, plus the return chart, on the Swiss Ephemeris.
Chiron Return Calculator
Astrolium Chiron return calculator gives the exact return date around age 50, the triple-pass window, and Chiron synastry positions on Swiss Ephemeris.
Void of Course Moon Tool
Track every void-of-course Moon window in 2026. Astrolium shows start time, end time, triggering aspect, and next sign in your timezone. Free.
Planetary Hours Calculator
Astrolium's free planetary hours calculator returns the Chaldean planetary ruler of every hour of the day for any date and location, in under 300 ms.
Horary Astrology Calculator
Astrolium's free horary astrology calculator casts your horary chart in Regiomontanus, runs Lilly's 7 considerations before judgment, and routes significators.
Electional Astrology Calculator
Astrolium's electional astrology calculator searches a date range for auspicious moments per activity. Weddings, contracts, surgery, business launch. Free.
Electional Astrology Calculator
Astrolium's free electional astrology calculator scores any moment 0-100 with an A-F grade across 12 activities. Hard stops, advisories, and reasons shown.
Fertility Astrology Calculator
Astrolium fertility astrology calculator: 5th house, Part of Children, Moon-to-L5 testimony, sign fertility, and timing windows from free Lilly horary.
Sky Weather Calculator
Astrolium's sky weather calculator lists upcoming aspects, sign ingresses, and retrograde stations for any moment. Free, 30-day lookahead, no signup.
Panchang Today
Astrolium's free panchang today returns tithi, nakshatra, yoga, karana, vara, Rahu Kalam, and Abhijit Muhurta for any city in 5 seconds. Hindu calendar.
The Connection
Relationship astrology for compatibility, shared destiny, and love style.
Free Synastry Chart Calculator
Astrolium free synastry chart calculator ranks inter-aspects between two charts by orb x weight with traditional rulership scoring, in under 60 seconds.
Composite Chart Calculator
Astrolium's free composite chart calculator returns the midpoint composite plus Davison chart for two birth records on the Swiss Ephemeris, under 60 seconds.
Astrology Love Language Calculator
Astrolium's love language calculator reads your Venus, Moon, Mars, and 5th house to reveal how you give and receive love astrologically. Free, no signup.
Kundli Matching Calculator
Astrolium's free Kundli matching calculator scores Ashta Koota (Guna Milan) across 8 kutas out of 36 points and flags Manglik dosha for both partners.
The Inner Work
Deeper readings for purpose, psychology, and the layers beneath the surface.
Free Natal Chart Reading
Astrolium free natal chart reading drafts a full natal report in 15 minutes: signs, houses, aspects, chart ruler, synthesis. Swiss Ephemeris, no signup.
Solar Return Reading
Astrolium's free solar return reading drafts a full year-ahead reading you can edit and send to the client in 15 minutes, on the Swiss Ephemeris.
Psychological Astrology Profile
Astrolium's psychological astrology profile maps Moon, Mercury, and Saturn to your inner drives, emotional needs, and self-image from the natal chart. Free.
Karmic Astrology Calculator
Astrolium's karmic astrology calculator reads your North Node, South Node, Saturn, and 12th house to map karmic patterns and soul-level lessons. Free.
Career Astrology Calculator
Astrolium's career astrology calculator reads your 10th house, Midheaven, and 7 classical planets to produce a full career-path reading in seconds. Free.
Vocational Astrology Calculator
Astrolium's vocational astrology calculator identifies your natural gifts, ideal work environment, and life purpose through the full natal chart. Free.
Spiritual Astrology Reading
Astrolium's spiritual astrology reading interprets Neptune, the 12th house, and Pisces placements for spiritual path, gifts, and shadow. No signup needed.
Astrology Archetype Calculator
Astrolium's archetype calculator scores your natal chart across 12 Jungian archetypes to reveal your dominant and shadow patterns. Free, no signup.
Midpoint Calculator
Astrolium's free midpoint calculator returns Sun/Moon, AC/MC and a full Uranian midpoint grid, with 90-degree dial readout, Swiss Ephemeris, in 30 seconds.
Other Systems
Vedic astrology, Human Design, numerology, and location-based readings.
Free Vedic Astrology Chart Calculator
Astrolium free Vedic astrology chart calculator uses Lahiri ayanamsa for rashi, nakshatra, houses, and your current Vimshottari dasha. No signup.
Vedic Yoga Calculator
Astrolium Vedic yoga calculator detects Raja yoga, Dhana yoga, Gajakesari, Neecha Bhanga, and Amala in your kundli with strength scores 0 to 100.
Varshaphal Calculator
Astrolium's free Varshaphal calculator returns your year lord, muntha, 9 sahams, and full Tajik solar return chart in sidereal Lahiri ayanamsa.
Manglik Dosha Calculator
Astrolium's free Manglik dosha calculator checks Mars from Lagna, Moon, and Venus, returns severity, lists cancellation factors, and explains the result.
Sade Sati Calculator
Astrolium's free Sade Sati calculator checks if Saturn is transiting your natal Moon and shows the rising, peak, and setting phases with exact dates.
Vedic Remedies Calculator
Astrolium's free Vedic remedies calculator identifies your weak planets and returns gemstones, beej mantras, charity, and fasting protocols per planet.
Hindu Festival Calendar 2026
Astrolium's Hindu festivals 2026 calendar lists Diwali, Holi, Navratri, 24 Ekadashis, and 12 Purnimas with tithi dates and rituals for any city.
Astrocartography Calculator: Score Any Location
Astrolium scores any city against your planetary lines and ranks 14 life areas. Practitioner tool for relocation consults and travel timing — free, no signup.
Astrocartography Map Calculator
Astrolium plots all 28 planetary lines plus AC/DC/MC/IC angles and paran power zones on one Swiss Ephemeris world map. Practitioner-grade, free, no signup.
Astrocartography City Finder: Best Places by Life Area
Astrolium scans 200+ cities to find your strongest places for career, love, money, health, or any life area. Practitioner search tool — free.
Astrocartography Compare: Side-by-Side City Analysis
Astrolium compares 2-5 cities head-to-head against your planetary lines, with side-by-side rankings across 14 life areas. Practitioner comparison tool — free.
Astrocartography Power Zones: Top 12 Line Crossings
Astrolium finds the 12 strongest power zones in your chart — locations where 2+ planetary lines cross within 250km. Crossings are paran-grade signals.
Numerology Calculator — Life Path, Destiny & Soul Urge
Astrolium's numerology calculator computes your Life Path, Destiny, and Soul Urge numbers from name and birthdate using the Pythagorean system. Free.
Free Human Design Chart Calculator
Astrolium free Human Design chart calculator returns your Type, Strategy, Authority, Signature, and Not-Self from precise birth data. No signup, instant.
Human Design Compatibility Calculator
Astrolium free Human Design compatibility calculator: connection type, composite channels, electromagnetic gates, dominance per center, plus 0-100 score.
Human Design Transits Calculator
Astrolium Human Design transits calculator returns today's activated gates, temporary channels, and your daily theme on a real-time bodygraph scan.
More tools
Other free calculators
Cazimi & Combust Calculator
Astrolium's cazimi calculator finds true-cazimi, combust, and under-the-beams windows to the second. Lilly, Bonatti, and modern orb sets. Free.
Ephemeris 2026
Free online ephemeris for 2026: daily planetary positions, retrograde periods, and sign ingresses for all 10 planets. Swiss Ephemeris precision.
Natal Compare
Compare two birth charts side by side: synastry cross-aspects, composite midpoint, and Davison chart in one workspace. Free, no account required.
Solar Return Transits Calculator
Astrolium's free solar return transits calculator lists every transit to your SR chart for the year, with interpretation per event. Filter by planet and orb.
Solar Return Year Ahead Analysis
Free solar return analysis tool: SR signature, twelve monthly profections with interpretation text, every lunation, every lunar return. One call.
Why these tools
The kind of math astro.com does. With the chrome of 2026.
Swiss Ephemeris
Sub-arcsecond precision from 13,000 BCE to 17,000 CE. The same engine Solar Fire ($360) and Astro Gold ($299) use under the hood.
23 house systems
Placidus, Whole Sign, Porphyry, Equal, Koch, Regiomontanus, Campanus, Alcabitius, Morinus, Topocentric, and twelve more. Tropical and sidereal.
No login wall
Run any calculator without an account. Want to save a chart, compare it to a client, or run a transit scan across your whole base? That's where Astrolium begins.
<300ms response
From form submit to drawn chart, faster than astro.com's page reload. Cached ephemeris, parallel solver, instant rendering.
Want all of this on a roster of clients?
The free tools handle one chart at a time. Astrolium handles all of them — searchable client roster, transit scanner across the whole base, AI assistant fluent in your school. Free during beta.