Select your animal species below to determine estimated conception dates, key trimester milestones, and anticipated delivery windows.
Dog Gestation Calculator
Horse Gestation Calculator
Cow Gestation Calculator
Calculate canine whelping dates based on mating or ovulation, tracking the typical 63-day gestation window and critical ultrasound checkpoints.
Track equine foaling schedules over the 330 to 345 day gestation window, including veterinary palpation checks and pre-foaling preparation periods.
Estimate bovine calving dates across beef and dairy breeds with standard 283-day gestation formulas and planned dry-off scheduling dates.
Sheep Gestation Calculator
Goat Gestation Calculator
Rabbit Gestation Calculator
Determine ewe lambing timelines over the 147-day ovine gestation period, offering scanning milestones and tailored late-pregnancy nutritional checkpoints.
Calculate doe kidding dates for dairy and meat goats across a 150-day gestation schedule with fetal development notes and penning timelines.
Track doe kindling timelines over a fast 31-day lagomorph cycle, identifying palpation verification windows and critical nest-box installation days.
Cat Gestation Calculator
Pig Gestation Calculator
Guinea Pig Gestation Calculator
Predict feline queening dates across an average 65-day gestation period, monitoring embryonic progression, palpation timing, and nesting behaviors.
Compute sow farrowing dates using the classic 114-day rule of three months, three weeks, and three days for dependable herd scheduling.
Estimate cavy delivery dates across the prolonged 68-day gestation window, detailing pelvic separation checks and supplemental nutrition steps.
Llama Gestation Calculator
Alpaca Gestation Calculator
Kangaroo Gestation Calculator
Estimate llama delivery dates across the typical 335–360-day gestation window, including guidance on monitoring signs of impending birth and providing appropriate supplemental nutrition.
Use the alpaca gestation calculator to estimate your cria’s due date based on the typical 345-day pregnancy.
Estimate current gestational stage and arrival dates without mating records using physical indicators, crown-rump ultrasound metrics, and milk letdown.


