Speak Arch calculators — free planning tools for Indian homeowners, students, and professionals. Educational estimates only; verify with local authorities and licensed experts before construction.
Live calculators
FAR / FSI Calculator
Plot area, FAR/FSI, permissible built-up area in sq ft and sq m.
Construction Cost
Built-up area × city ₹/sq ft bands with finish levels and CSV export.
Vastu Room Advisor
Traditional room-placement guidelines by entrance direction (educational).
Planning workflow: Start with FAR for buildable area → construction cost for budget → paint/tile for finishes. Use Vastu advisor for cultural layout ideas alongside your architect.
Guides & policies
House design
Construction
Vastu vs Feng Shui
Methodology
Questions? Contact us · contact@speakarch.com
Last updated: 25 May 2026
Quantity surveying (civil BOQ)
Material quantity calculators for Indian site practice — concrete, bricks, steel, mortar, and plaster.
QS · RCC
Concrete Volume Calculator (RCC)
RCC slab, beam, column, footing — M10–M25, dry factor 1.54.
QS · Plaster
Plaster Quantity Calculator
Single/two-coat plaster, 6–20 mm, cement & sand f=1.33.