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Animal Pregnancy Calculator

Due date for dogs, cats, horses, cows, and more.

Estimate the expected delivery date for common pet and livestock species from the breeding date and the species-specific average gestation length.

Priya Venkatesan By Priya Venkatesan
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Average gestation lengths: dog 63d, cat 65d, rabbit 31d, horse 340d, cow 283d, pig 114d, sheep 147d, goat 150d.

In depth

Estimate the expected delivery date for common pet and livestock species from the breeding date and the species-specific average gestation length.