What ChickenCoopCalc is for

Free coop build card — print it, 10 minutes.

Coop sizing calculator for backyard flock owners.

Not a hatchery or commercial layer manual. Heat lamps are for chicks, not dry adult flocks.

This map lists pages that exist. It is not a keyword dump and it does not treat every article as its own niche. The calculator (or the pack) is the hub. Guides sit under one pillar each.

Coop & run size

Sourced data

• Chicken brooder size calculator — Week-by-week brooder space from Penn State and UMaine tables.
• Chicken brooder size for 10 chicks — The week-by-week space for 10 chicks.
• Poultry space requirements data — Space per bird from extension guides with a CSV you can download.

4 sq ft inside (within the published 3–4 sq ft range) and 10 sq ft of run, per standard bird.

• Coop size calculator — Bird count → coop, run, nests, feed.
• Coop build card — Printable flock table.
• Chicken coop size by flock size — Every covered count in one table, plus the calculator.
• How big for 6 hens — The 24 + 60 sq ft build.
• How big should a chicken run be? — 10 sq ft outdoors, and the 8 sq ft laying-hen line.
• Chicken breed size and space chart — Published adult weights, egg color, hardiness, and laying notes. Standard versus bantam in the calculator.
• Methodology and editorial standards — How the calculator rates are applied, where the figures come from, and the affiliate policy.
• Embed the calculator — iframe snippet for another site. Keep the credit link.

Buying a coop

Prefab vs the 4×6 that looks cute until week six.

• Best coops for 6 hens — Interior square feet for a 6-hen coop. No prices.

Feed

A quarter pound a day, every day.

• Feed cost — Bags per month, cost per egg.
• How much a hen eats — The quarter-pound rate through the feed calculator.
• How much water a chicken drinks — Cool-weather and hot-weather gallons.
• How to feed baby chicks — Starter pounds, not the laying-hen rate.
• Chicken brooder size — Maine square feet by age.
• When to switch starter, grower, and layer feed
• How to store chicken feed

Winter

Damp air, drafts, and a real disagreement about adult heat.

• Winterize the coop — Bedding, water, the 35°F line, and ventilation.
• Winter heat lamp — Brooder schedule and lamp clearance.
• Nesting boxes — One per 4 to 5 hens — they'll still share one.
• Broody hen — When a box is occupied by a hen that will not get off.

Questions

Flock size is one page for every covered count. The other questions stay one page each. Each answer uses the extension figures and shows the multiplication.

• Chicken coop size by flock size — 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, and 50 hens, plus the 10-bantam minimum.
• How much space do ducks need? — 5 sq ft indoors per adult duck.
• Duck house for 6 ducks — 30 sq ft indoors.
• Duck coop size calculator — 3 to 5 sq ft inside and 15 sq ft of run per duck.
• Duck house for 4 ducks — 12 to 20 sq ft indoors.
• Space for turkeys — 6 sq ft indoors and 20 sq ft outdoors per bird.
• Roost space per chicken — 6 to 10 inches of perch.
• Bumblefoot — footpad injuries and wet litter. Call a vet. Perch height is not the cited cause.
• Feeder space per chicken — at least 3 inches of feeder.
• Introduce new chickens — 30 days apart, then a new coop size for the combined flock.