Fire Sprinkler Count Calculator
Frequently asked
How do you calculate the number of sprinkler heads?
Divide the protected area by the coverage area per sprinkler (spacing squared), then add wastage. This calculator uses standard sprinkler spacing based on hazard class.
What is the standard sprinkler spacing?
Light hazard: 12–15 ft, ordinary: 10–12 ft, extra hazard: 8–10 ft. This calculator lets you set spacing.
How much pipe is required per sprinkler?
Roughly 10–12 metres per sprinkler including mains and branches. This calculator uses hazard class to estimate pipe length.
Which related calculators pair well with the Sprinkler Count Calculator?
People planning fire fighting often also need Fire Extinguisher Calculator. Each is free and quotation-ready.