Fire Extinguisher Calculator
Fire Extinguisher
Calculate the number of extinguishers needed for a building.
Formula
Total = max(ceil(Floor Area / Coverage), Min Per Floor) x Floors
Frequently Asked Questions
How far apart should fire extinguishers be?
NFPA code requires no more than 75 feet of travel for light hazard areas.
What type of extinguisher do I need?
ABC-rated extinguishers cover most ordinary fire risks in commercial buildings.