Standards-compliant calculators for fire technicians in NZ & Australia. Free, no signup required. Works on mobile.
Each calculator opens on its own page — bookmark the ones you use most.
Head count, max spacing and water demand for any room per AS/NZS 2118.1 hazard classification.
Right type and quantity for Class A, B, C, E and F fire risks per NZS 4503.
Detector count and grid layout for any room per AS/NZS 1670.1. Ceiling height penalty included.