Free tool

Cow Gestation Calculator

A Cow pregnancy lasts on average 283 days — about 40 weeks. Enter the breeding date below to estimate the due date.

Estimate the date

Cow breeding facts

Average gestation period
283 days (about 40 weeks)
Age of sexual maturity
15 months
Typical litter size
1
Scientific name
Bos taurus

Common Cow breeds

  • Holstein
  • Jersey
  • Normande

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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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