Free Tool · Fire Fighting
Sprinkler Head Calculator
Estimate how many automatic sprinkler heads your floor needs, with coverage and spacing by hazard class. Adjust the inputs, then get an engineered fire-sprinkler design from our team.
Your floor
Coverage and spacing per common NBC / NFOC 13 practice by hazard class. A full hydraulic design also fixes pipe sizing, design density and the pump duty.
Sprinkler heads—
Coverage / head—
Max spacing—
Heads per 1000 sq.ft—
Hazard class—
Design density—
Get an engineered sprinkler design — free
Our fire engineers will run the hydraulic design, head layout and pump duty for your building. We'll attach the estimate above automatically.
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Thanks! Our fire engineering team will send your tailored sprinkler design within one business day.
Indicative estimates only — not a binding design. Actual head count, spacing and hydraulics depend on hazard classification, ceiling type, NBC 2016 and the fire department.