Select a cloud engineering module below to calculate Hazen-Williams hydraulics or evaluate step-by-step NFPA 13 design decision trees instantly in your browser.
Free web-based tools accessible to all registered and visiting engineers.
Web-based Hazen-Williams friction loss calculation engine. Solve pipe loops, grids, and tree systems with node elevation corrections and instant project saving.
Comprehensive NFPA 13 friction loss estimator with automated pipe diameter lookups, fitting/valve equivalent length adjustments, and water supply curve evaluation.
Access the correct sprinkler design criteria for rack storage—covering Chapters 4, 21, 22, 23, and 25 of NFPA 13 (2025 edition)—with just a few clicks.