Free tool

Horse Gestation Calculator

A Horse pregnancy lasts on average 336 days — about 48 weeks. Enter the breeding date below to estimate the due date.

Estimate the date

Horse breeding facts

Average gestation period
336 days (about 48 weeks)
Age of sexual maturity
18 months
Typical litter size
1
Scientific name
Equus ferus caballus

Common Horse breeds

  • Arabian Horse
  • Thoroughbred
  • Connemara Pony

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These figures are species averages — actual timing varies with breed, age and individual animal. Use the estimate as a planning guide, not a veterinary diagnosis.

Managing a whole herd or flock?

AniCore tracks breeding, due and hatch dates for every animal automatically — no spreadsheets, no manual counting.

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