Shelter Capacity Calculator
Calculate emergency shelter capacity from floor area, per-person space standards, and resource needs.
Inputs
%
%
Results
Max shelter capacity
58
Usable area (sq ft)3,500
Standard spots52
ADA-accessible spots6
Cots needed58
Restrooms / port-a-potties2
Daily water (gal)174
Total water (gal)522
Total meals needed522
How to Use This Calculator
- Enter Total Floor Area (sq ft) of the shelter facility.
- Set Sq Ft per Person — SPHERE standard is 3.5 m2 (37.7 sq ft) per person minimum.
- Enter Usable Area (%) to exclude walls, equipment, and circulation.
- Set ADA-Accessible % to ensure compliance with accessibility requirements.
- Review Max Shelter Capacity and ADA-accessible spaces to plan shelter activation.
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