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AEC × AI glossary

What is quantity takeoff?

Also called: QTO, takeoff

Definition

Quantity takeoff is the process of measuring and counting the materials and items shown in drawings or models — such as areas, volumes and numbers of doors — to prepare a BOQ or estimate. Takeoff is one of the most time-consuming tasks for estimators and contractors.

By Published

Why does quantity takeoff matter for architects, engineers and contractors in India?

Takeoff is one of the most time-consuming tasks for estimators and contractors. Model-based and AI-assisted takeoff can speed it up, but results must be checked against the current drawing revision.

What is an example of quantity takeoff?

An estimator measures wall areas from a DXF plan to calculate brickwork and plaster quantities for each floor.

Where does CloudBrain come in?

Our workflow automation service helps architecture, engineering and construction firms put this into practice. See the related terms below, or browse the full AEC × AI glossary.

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