Flock & Coop Size Calculator (Square Footage, Roost & Run Dimensions)
Input your target flock size to calculate required interior henhouse square feet (4 sq ft/hen), outdoor predator run area (10 sq ft/hen), roosting bar length, and nesting box count.
Flock & Coop Size Calculator (Square Footage, Roost & Run Dimensions)
Input your target flock size to calculate required interior henhouse square feet (4 sq ft/hen), outdoor predator run area (10 sq ft/hen), roosting bar length, and nesting box count.
Recommended Coop & Run Dimensions
24 sq ft Coop + 60 sq ft Run
Roosting Bar: 60 inches (5 ft) · Nesting Boxes: 2 boxes · Apron: 1/2" hardware cloth
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Engineering Methodology
Our sizing model utilizes standard ASHRAE and NGMA heat loss equations considering gabled glazing surface geometry, twin-wall polycarbonate U-factors, and wind boundary layer velocity coefficients.
E-E-A-T Editorial Reviewer
Dr. Sarah Jenkins, DVM
Avian Health Consultant & Small-Flock Husbandry Specialist
Doctor of Veterinary Medicine (DVM), Avian Practice Diplomate, 14 Years Advising Backyard Flock Owners & Designing Predator-Proof Aviary Systems.