Calculate the number of Class A fire extinguishers required
Standard Requirements (Class A - Ordinary Combustibles):
Basic Rule: 1 extinguisher (13A rating) per 200m²
Minimum: At least 2 extinguishers per floor
Travel Distance: Maximum 30m to nearest extinguisher
For areas >400m²: Total Area × 0.065 = Minimum A rating
m²
floors
Extinguishers Required
0
⚠️ Important Considerations
This calculator provides estimates for Class A (ordinary combustibles) extinguishers only.
Additional considerations include:
Placement: Position near fire exits, stairwells, and high-risk areas (kitchens, server rooms)
Travel Distance: No person should be more than 30m from an extinguisher
Specialized Extinguishers: CO2 for electrical equipment, Powder for flammable liquids, Wet Chemical for kitchens
High-Hazard Areas: May require additional units or higher ratings
Regular Maintenance: Annual servicing and monthly visual checks required
Staff Training: Ensure personnel know how to use extinguishers safely
Always consult a fire safety professional for accurate assessment and to ensure compliance with current fire safety regulations.
⚠️ Disclaimer: This calculator is provided as a guidance tool only. Always verify calculations independently and consult current BS 5306 standards. Professional fire safety assessment should be undertaken by qualified fire safety professionals.