Free Vedic astrology calculators

Free and without an account, from MSAstroacademy. Each item is marked with its kind: a calculator (enter your details, it works out the result), a quick check (choose from lists, the answer shows at once) or a reference table (nothing to enter).

1. Shadbala calculator (calculator) — give the date, time and place of birth; get the six strengths of all seven planets in virupas and rupas, ranked, and which are below their minimum. Swiss Ephemeris, Lahiri ayanamsa, checked against B. V. Raman's and V. P. Jain's worked examples. Birth details are not stored.
2. Vimshottari dasha periods (calculator) — give the date of birth, the dasha running at birth and its balance; get the full 120-year sequence of mahadashas with dates.
3. Sade Sati checker (quick check) — give your Moon sign and Saturn's current sign; get the three Sade Sati signs and whether you are in it now.
4. Combustion check (quick check) — give a planet and its distance from the Sun; get whether it is combust. Rahu and Ketu can never be combust.
5. Nakshatra lord (quick check) — give a nakshatra; get its ruling planet and that planet's dasha years.
6. Shadbala — the six strengths (reference table) — what Sthana, Dig, Kala, Chesta, Naisargika and Drik bala each measure, and the minimum strength in rupas each planet needs.

Each is explained in an article: Vimshottari dasha, Sade Sati, combustion, Shadbala. All explanations are at the articles, and enrolled students of the academy have 31 further calculators inside the course.