Quantity takeoffs in minutes, not days.

Upload your construction drawings and get accurate wall and flooring quantities automatically. Cantena reads your plans so estimators don't have to.

From drawings to quantities in three steps.

No more counting, measuring, or manual data entry. Cantena handles the tedious work so you can focus on winning contracts.

01

Upload Drawings

Drop your blueprints or PDFs into Cantena. We support all standard construction document formats.

02

Automatic Extraction

Our engine identifies rooms, walls, and floor areas from your drawings. Linear footage, square footage, and room counts are extracted automatically.

03

Review & Export

Get a detailed quantity breakdown organized by room. Review, adjust, and export to Excel or your estimating system.

Standard Formats
PDF, blueprints, plans
CSI MasterFormat
Organized by trade
Excel Export
One-click download
Audit Trail
Every calculation tracked

Made for your workflow.

Help your takeoffs take off.

Room-by-Room Breakdown

See quantities organized by room — wall linear footage, floor area, and room dimensions. Filter by room or view the full scope.

Drag, Drop, Done

Upload floor plans and receive clear quantity takeoffs in minutes. No manual measuring, no counting.

Built for GCs & Trades

General contractors can review full-scope quantities, while subcontractors can filter to only the measurements for their trade.

Traceable Results

Every quantity ties back to the drawing. See exactly where each measurement comes from.