Livestock Gestation Calculators & Printable Charts
Breeding date in → due date out, for every animal in the barn. Each calculator includes a printable chart and a management timeline. All free, from the team behind FarmsFlo.
Cattle283 days avgCalving date calculator + printable chart
Goats150 days avgKidding date calculator + printable chart
Sheep147 days avgLambing date calculator + printable chart
Pigs114 days avgFarrowing date calculator + printable chart
Horses340 days avgFoaling date calculator + printable chart
Rabbits31 days avgKindling date calculator + printable chart
Donkeys365 days avgFoaling date calculator + printable chart
Alpacas345 days avgCria due date calculator + printable chart
Llamas350 days avgCria due date calculator + printable chart
Dogs63 days avgWhelping date calculator + printable chart
Cats64 days avgQueening date calculator + printable chart
Chickens (incubation)21 days avgHatching date calculator + printable chart
Full Chart: All Species27 mammals + 16 birdsEvery gestation period on one printable page
Want it on your phone, working offline in the pasture?
The free HerdFlo app has every species, breed-adjusted cattle dates, and one-tap calendar reminders for preg checks, dry-off, and due dates.