Free Vastu tools
Vastu Compass on Your Plan
Upload a photo or scan of your floor plan, turn the compass to the plan's north and fit the box to the outer walls. See the 8 directions with the four moolai, the Brahmasthanam and the uchcham / neecham half of each side for the thalaivasal. The image stays in your browser.
Fit the box to the outer walls
Get a Vastu-compliant floor plan designed for your plot
CAT AI designs the plan to Tamil Nadu rules, checks it against Vastu and fixes what is off - then structural, architectural, electrical and plumbing drawings, a 3D view and the BOQ.
More free Vastu tools
Room Direction Checker
Score each room by its direction - kitchen in Agni moolai, master bedroom in Kanni moolai, pooja in Eesanyam - with remedies.
Manaiyadi Calculator
Good and bad lengths in feet by Manaiyadi Sastram - for the house and every room.
Main Door (Thalaivasal) Checker
Is your main door in uchcham or neecham? Find the right half of each side for the thalaivasal.
Vastu Naal (Vastu Days)
The 8 Vastu days of the year with their times - for bhoomi pooja, foundation and buying land.
Ayadi Calculator
Aya, Vyaya, Yoni, Nakshatra, Vara and Tithi from the length and breadth (Mayamata).
Vastu Shastra is traditional guidance; these tools follow commonly used rules in Tamil Nadu. They do not replace your engineer, sthapathi or the local building rules.