The Equinest Horse Gestation Calculator is a helpful tool for breeders, owners and equine caretakers looking to estimate when a pregnant mare is likely to foal.
Easy to Use
By entering the date your mare was bred, this calculator predicts her expected foaling date based on the average horse gestation length, typically around 340 days (roughly 11 months) from breeding.
Understanding your mare’s gestation timeline is essential for proper care and preparation. Knowing the likely due date helps you schedule veterinary checks, adjust nutrition, prepare a safe foaling environment and monitor key milestones throughout pregnancy.
Not an Exact Science
Although every mare is different and actual foaling can vary by several days, this tool gives a reliable estimate that takes the guesswork out of planning. Whether you’re managing a single broodmare or coordinating an entire breeding program, The Equinest Horse Gestation Calculator adds clarity and confidence to your workflow, helping ensure healthy pregnancies and smoother foaling seasons.