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Cat Pregnancy Calculator

Enter your cat's breeding date to estimate the expected due date, birth window, pregnancy progress, and key developmental milestones throughout gestation.

Enter the date your cat mated. The calculator estimates the expected due date and birth window.

Educational estimates only. Actual birth dates vary. This tool does not diagnose pregnancy or guarantee a specific due date.

What This Tool Estimates

  • Estimated due date and birth window
  • Current days and weeks pregnant
  • Days remaining to average due date
  • Week-by-week pregnancy milestone table

Gestation range: 63–67 days (from breeding)  ·  Average: 65 days

Trusted by PetNurture pet parents

Free Cat Pregnancy Calculator by PetNurture Educational estimate only, not veterinary advice. Consult a licensed veterinarian for your pet's needs.