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Enter the number of ducks and their stage. The calculator multiplies the stage space per animal by the flock or herd size, applies the minimum indoor total for small groups, and gives the indoor area, outdoor area, total area and the side of a square pen. Results are planning estimates, not a substitute for local welfare rules.
Space per duck changes with age. Ducklings up to 3 weeks need 1 sq ft of house each with a 5 sq ft minimum total, growers need 3 sq ft with a 16 sq ft minimum, and adults need 4 sq ft with a 24 sq ft minimum. Outdoor run space is 10 sq ft per duckling, 25 sq ft per grower and 50 sq ft per adult. Ten adults therefore need 40.00 sq ft indoors and 500.00 sq ft outdoors, 540.00 sq ft in total. Three adults need the 24.00 sq ft minimum indoors and 150.00 sq ft outdoors. Use this duck coop layout guide to plan a coop of the right square feet for your flock.
The minimum total matters most for small flocks. Two ducks in a 2 sq ft box are cramped even though the per bird figure looks small, which is why this calculator never drops below the stage minimum indoors. Build to the recommendation, not to a commercial welfare floor, because backyard birds spend more time in the house in bad weather. A square pen side is a planning aid only: a long narrow run often works better than a square one on a real plot.
Water must be deep enough for a duck to submerge its whole head, at least 4.5 cm from day one and 10 cm from three weeks, because ducks clean their eyes and nostrils in water. Allow about 4 inches of feeder edge per adult duck. In a hard winter the house becomes the whole world for days, so extra indoor space and dry litter matter more than a larger frozen run.
For 10 adults, plan a house of about 6.32 ft on each side if square, and a run of about 22.36 ft on each side if square, or any rectangle with the same area. Put the house on high, dry ground, slope the run away from the house, and rotate grazing ground so grass recovers. Ducks are hard on ground: more run space means less mud, fewer smells and healthier birds.
Adults need 4 sq ft of house each with a 24 sq ft minimum total, and 50 sq ft of run each. Ducklings need less house space but still need the stage minimum total.
Ten adults need 40.00 sq ft of house, or about 6.32 ft on each side if square, plus 500.00 sq ft of run.
Plan on 50 sq ft of run per adult duck. Smaller runs turn to mud quickly, especially in wet weather, so rotate ground when you can.
At least 4.5 cm from day one and 10 cm from three weeks, deep enough for a duck to submerge its whole head and clean its eyes and nostrils.
No, ducks need head deep water for cleaning, which a bucket or trough provides. Swimming water is a bonus, not a requirement for health.
Ducklings up to 3 weeks need 1 sq ft each with a 5 sq ft minimum total, growers need 3 sq ft each, and adults need 4 sq ft each.
Any shape with the right area works. Long narrow runs suit most gardens better than squares, and a rectangular house is easier to clean than a square one.
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