Farm math, done in seconds.
Free calculators for homesteaders and small farms: due dates for goats, cattle, sheep, pigs, horses and rabbits, egg hatch dates, coop sizes, hay, feed and livestock weight. No sign-up, and they work on your phone.
Breeding & due dates8 calculators
Goat Gestation CalculatorKidding date, heat checks and a pre-kidding checklist.Cattle Gestation CalculatorBreed-adjusted calving date, heat checks and dry-off.Sheep Gestation CalculatorLambing date and window from ram-in / ram-out dates.Pig Gestation CalculatorFarrowing date with the 3-3-3 rule and heat checks.Horse Gestation CalculatorMare foaling date, ultrasound checks and foaling watch.Rabbit Gestation CalculatorKindling date, nest-box day and weaning date.Heat Cycle CalculatorNext heat dates and breeding-time tips.Breeding CalendarWhole-herd due dates on one printable list.
Chickens & poultry4 calculators
Egg Incubation CalculatorHatch date, candling and lockdown days for 11 birds.Chicken Coop Size CalculatorCoop and run square footage, roosts and nest boxes.Chicken Feed CalculatorFeed per month, bags per year and cost per dozen eggs.Egg Production Cost CalculatorLaying rate, eggs per year and cost per dozen.
Weight & meat2 calculators
Pasture, feed & hay4 calculators
Guides7 quick answers
How Long Is a Goat Pregnant? Goat Gestation ExplainedGoats are pregnant for about 150 days (145–155). Gestation by breed, a month-by-month timeline,…How Long Are Cows Pregnant? Cattle Gestation by BreedCows are pregnant for about 283 days, just over 9 months. See gestation length by breed, what s…How Many Bales of Hay Does a Horse Need for Winter?A 1,000 lb horse eats about 20 lb of hay a day, roughly 70 small square bales over a 5-month wi…How Much Meat Do You Get From a Half Cow?A half cow usually gives about 200–250 lb of packaged beef. Live weight vs hanging weight vs ta…How Long Do Chicken Eggs Take to Hatch? Day-by-Day GuideChicken eggs hatch in about 21 days at 99.5°F. A day-by-day incubation timeline with candling, …How Long Is a Sheep Pregnant? Ewe Gestation ExplainedA sheep (ewe) is pregnant for about 147 days, just under 5 months. Gestation by breed, a timeli…How Long Is a Pig Pregnant? The 3-3-3 Rule ExplainedA pig (sow) is pregnant for about 114 days, remembered as the 3-3-3 rule: 3 months, 3 weeks and…