Coop Sizing Calculator – Roost N Run Skip to content

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Coop Sizing Calculator

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How many chickens?

Counting current hens plus any you plan to add this year.

6 chickens
230

What's your climate?

Pick the zone that matches your winters and summers.

— or —

What size are your birds?

Pick the category most of your flock falls into.

Free-range hours per day?

How many hours your flock spends outside the run, on average.

0 hours / day
0h (confined)12h (open)

Crunching square footage…

Your Custom Coop Plan

For 6 standard chickens in a moderate climate

24
sq ft
Coop (indoor)
60
sq ft
Run (outdoor)
That's 4 sq ft / hen in the coop + 10 sq ft / hen in the run.
Coop Run

Build specs

  • Ventilation346 sq in
  • Roost length6 ft
  • Nest boxes2
With 6 standard birds in a moderate climate and zero free-range time, we sized for full-day confinement plus the standard 4 sq ft per bird minimum the welfare research backs.
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Tips for your climate

    Want the full 5-year planning PDF?

    Free guide: flock-growth roadmap, seasonal maintenance checklist, and a printable build-specs sheet for your contractor.