Architects' Data by Ernst Neufert, now in its , is widely considered the "architect's bible" for initial design and planning. First published in 1936 as Bauentwurfslehre , it provides a comprehensive framework of standardized measurements and spatial requirements for virtually every building type. Key Features of the 6th Edition
Furthermore, the is designed for offline, cross-checking . In a site meeting, when the client asks, "Can we fit 30 desks in this 200sqm room?", you can flip to the office chapter, calculate net/gross floor area, and give an answer in 30 seconds—no tablet battery required. Neufert Architects 39- Data 6th Edition