Calculators
Biology

Cat Pregnancy Calculator

Estimate your cat's due date and delivery window from the mating date. Free, quick, and based on typical feline gestation (63–67 days).

Select mating date to see results

How to Use the Cat Pregnancy Calculator

A cat pregnancy calculator helps you estimate when your cat will give birth based on the mating date. Feline gestation (pregnancy) typically lasts 63 to 67 days, with an average of about 64–65 days. Our free calculator uses the standard 64-day due date and gives you the earliest and latest expected delivery dates so you can prepare for the birth.

To use the calculator, enter the mating date (the date when breeding occurred). The tool calculates the expected due date (about 64 days later), the day of the week the cat is due, and how many days from today until the due date. It also shows the earliest possible delivery date (around 58 days from mating) and the latest (around 70 days), so you know the full window when kittens may arrive.

Knowing the due date helps you provide proper care, prepare a nesting area, and watch for signs of labor. Always confirm pregnancy and due dates with a veterinarian, as individual cats can vary. This calculator is for estimation only and is not a substitute for professional veterinary advice.

Example

If the mating date is January 1, 2026, the due date is about March 5, 2026 (64 days later). Your cat's due date is on a Thursday. Your cat is going to give birth in around 34 days (from a given "today"). The earliest possible delivery date is around February 28, 2026; the latest is around March 13, 2026.

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Frequently Asked Questions

A cat's pregnancy (gestation) typically lasts 63 to 67 days, with an average of about 64–65 days from mating. The calculator uses 64 days for the expected due date and shows a window from about 58 to 70 days for earliest and latest possible delivery.
The due date is estimated by adding about 64 days to the mating date. Enter the mating date in the calculator to get the expected due date, the day of the week, and the earliest and latest possible delivery dates.
Yes. Individual cats can vary, and without a vet exam or ultrasound, the mating date may be uncertain. Use the result as an estimate and always confirm with a veterinarian for proper care and timing.
Yes. The cat pregnancy calculator is free to use. No registration or payment is required. Enter the mating date to get the due date and delivery window instantly.