Free tool · Fire Protection
Sprinkler Spacing & Coverage Calculator
Check sprinkler spacing and the area each head covers against the hazard class limits.
Free · no sign-in requiredPurpose
Check sprinkler spacing and the area each head covers against the hazard class limits.
Inputs required
Hazard class, room size and proposed sprinkler spacing.
Standards followed
NFPA 13 and IS 15105 spacing and coverage limits.
Free to use. No sign-in needed.
Open the Sprinkler Spacing & Coverage CalculatorEngineering reference & methodology
What you get
Coverage area per head, number of sprinklers and a spacing check.
Results are preliminary design guidance. Verify every value against the edition of each standard adopted by your project or authority having jurisdiction, and against manufacturer performance data, before using it in design or procurement.
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