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Calculators
Biology Calculators
Animal Pregnancy Calculators
Cat Pregnancy Calculator

Cat Pregnancy Calculator | Due Date Estimator

Estimate cat delivery date.

Pregnancy Details for Cat

Species Mode

Cat Selection

Estimated Due Date
May 14, 2026
Mated: Mar 12
Cat Gestation
62
Days to Go
Pregnancy Progress
0%
Early Pregnancy
Mar 12
Middle Stage
Apr 2
Late Stage
Apr 26

Clinical Milestone Feed

Pregnancy Confirmation

Apr 1 - Apr 6, 2026

A veterinarian may feel the kittens via palpation.

Ultrasound Window

Apr 6 - Apr 11, 2026

Ultrasound can confirm pregnancy and viability.

Skeletal Calcification

May 1, 2026

Kitten bones are now visible on X-rays.

Abdominal Enlargement

Apr 26, 2026

Rapid weight gain and belly growth.

Pre-labor Nesting

May 11 - May 14, 2026

Seek out quiet, safe spots for delivery.

Species Quick Facts
Avg. Litter Size
3-5 kittens
Birth Weight
3-4 oz
Total Duration
63 Days
Clinical Range
MinMay 12
MaxMay 23
"Veterinary Advice"

Always consult with a qualified veterinarian specializing in cat health. This timeline is an educational estimate and biological variance is common.

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About Cat Pregnancy Calculator

The Cat Pregnancy Calculator is an indispensable tool for cat owners, breeders, and anyone caring for a pregnant queen. This calculator accurately estimates your cat's delivery date by utilizing the breeding or mating date, providing a crucial "due date" range. Knowing the expected arrival window for kittens empowers users to make timely preparations, such as setting up a comfortable whelping area, gathering necessary supplies, and coordinating essential veterinary check-ups. This valuable resource significantly reduces uncertainty and stress, ensuring a well-prepared environment for the mother and her upcoming litter. The calculation is based on the typical feline gestation period, which averages approximately 63 to 65 days.

Next Steps
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