Carpet Area Converter

Convert between Carpet Area, Built-up Area, and Super Built-up Area. Know what you're actually getting.

Enter Details

Typical: 10-20% (walls, balcony, utility)

Typical: 25-40% (common areas, lobby, stairs, amenities)

Area Breakdown

Carpet Area

803 sq.ft

Usable

₹52,17,391 (at ₹6500/sqft)

Built-up Area

923 sq.ft

+15%

₹60,00,000

Super Built-up Area

1200 sq.ft

+30%

₹78,00,000

Effective Rate

If the builder quotes ₹6500/sqft on super built-up area, your effective rate on carpet area is:

₹9,717/sqft

That's 49% more than the quoted rate!

RERA Rules

  • RERA mandates selling on carpet area basis
  • Carpet Area = net usable floor area within walls
  • Built-up = Carpet + walls + balcony + utility
  • Super Built-up = Built-up + share of common areas