Free Tool · NFPA 10 Compliant

Fire Extinguisher
Requirements Calculator

Enter your facility data — get the minimum extinguisher count, required ratings, and placement rules per NFPA 10.

Facility Information
Special Hazards (select all that apply)
Commercial Kitchen Requires Class K extinguisher (wet chemical) within 30 ft of cooking equipment
Flammable / Combustible Liquids Storage Additional Class B extinguishers required per NFPA 10 Table 6.3.1.1
Electrical Equipment Room / Data Center CO₂ or listed clean-agent extinguisher recommended to protect energized equipment
Vehicle Fueling / Service Area Minimum 20-B:C at each fuel dispenser; Class A coverage still required separately
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Minimum Extinguishers Required
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Hazard Class
Placement & Compliance Notes

Reference: NFPA 10 Standard for Portable Fire Extinguishers, 2018 Edition
Table 6.2.1.1 — Class A size and placement · Table 6.3.1.1 — Class B size and placement · §6.1.3.2 — Minimum one extinguisher per floor · §6.1.3.3 — 11,250 sq ft absolute cap per extinguisher · §7.1.7 — Mounting height limits · All counts rounded up as required by §6.2.1.1.

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