Fire Extinguisher Requirement Calculator
Based on NFPA 10 Standards
Part 1: General Area Protection (Class A)
Calculate the number of standard 2-A rated ABC Dry Chemical extinguishers needed for general building coverage.
Part 2: Special Hazard Protection
Select any special hazard areas in your building. These require specific extinguisher types in addition to the general coverage calculated above.
Final Checklist
Mounting & Signage
- Extinguishers must be clearly visible and unobstructed.
- Mounting height should not exceed 5 ft for extinguishers under 40 lbs.
- If not visible, provide signage to indicate location (NFPA 10: 6.1.3.3).
Inspection & Maintenance
- Monthly visual inspection required.
- Annual professional maintenance required (NFPA 10: Chapter 7).