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Mare Gestation Calculator
Estimate your horse's foaling due date
Average Gestation: Equine pregnancy typically lasts about 340 days from breeding (with a normal range of 320 to 370 days). Maiden mares or seasonal variations can influence delivery timing.
Breeding Information
Calculation Results
⚠️ Equine gestation can vary significantly. Mares often foal within a 320–370 day window. Monitor the mare closely for physical signs of approaching parturition (udder development, waxing, pelvic relaxation) and consult your equine veterinarian for prenatal care and foaling emergency preparedness.