While many of us may already know to follow the 75-ft rule for maximum travel distance for class A fire extinguishers, the maximum area of coverage provided by each extinguisher is often overlooked.

This calculator will help you determine the minimum number of fire extinguishers required for your facility. Please rely upon your local authority having jurisdiction (AHJ) and qualified local fire equipment distributor for guidance, selection of extinguisher types and sizes, ADA & IFC protruding object compliance, and proper locations for installation.