Construction quantity takeoff, also known as material takeoff or construction takeoff, is the process of estimating and quantifying the materials, labor, and equipment needed for a construction project. It involves a detailed analysis of project drawings and specifications to determine the quantities of various materials such as concrete, steel, lumber, and other components required for construction. The goal is to provide an accurate and comprehensive list of quantities that serves as the basis for cost estimation, budgeting, and procurement of materials.