Livestock Gestation Calculator
Breeding date in → due date out. Breed-adjusted for cattle. Works offline, and every due date can be saved to your free herd book.
Keep your herd records with the due dates
Start with one animal. Save breeding dates, calving history, weights, treatments, and withdrawal dates so they are ready on every device.
Free for up to 5 animals. Takes about 30 seconds.
Advanced: custom gestation length
Management timeline
Typical windows for planning only — health and vaccination decisions belong to you and your veterinarian.
📅 Want a heads-up? We’ll email you ~2 weeks before this due date.
Keep your whole calving book on your phone
Animal records, breeding → preg-check → calving tracking, weaning weights, treatment log with withdrawal dates, and CSV export for the sale barn. Free for up to 5 animals. HerdFlo Pro is unlimited — $5.99/month or $39.99/year.
📅 Want a heads-up before a due date? Calculate one above and tap “Remind me” — we’ll email you about two weeks out. No account needed.
My Herd
Your animals, breedings, weights, and treatments. Free for up to 5 animals — no card required.