🐱 Cat Pregnancy Calculator
Enter the date your cat mated to estimate when the kittens are due.
Expected due date
How the Cat Pregnancy Calculator works
Cat pregnancy usually lasts about 63 to 67 days from mating, averaging around 65 days.
Due date ≈ Mating date + 65 days
Normal range: about 63–67 days
Step-by-step calculation
- 1Enter the mating date.
- 2Add about 65 days.
- 3Show the 63–67 day normal range.
Worked example
A cat mated on March 1 is due around May 5, normally between May 3 and May 7.
Cat Pregnancy Calculator examples
| Mating date | Expected due date |
|---|---|
| Jan 1, 2026 | Saturday, March 7, 2026 |
| Feb 15, 2026 | Tuesday, April 21, 2026 |
| May 1, 2026 | Sunday, July 5, 2026 |
| Jul 20, 2026 | Wednesday, September 23, 2026 |
| Nov 27, 2026 | Sunday, January 31, 2027 |
Calculated as of January 1, 2026. Other inputs kept at the calculator's default values. Results calculated by this calculator.
Why use a Cat Pregnancy Calculator?
Prepare a safe place for kittens in time.
Important factors that can affect your results
- Multiple matings.
- Breed.
- Vet confirmation by ultrasound.
Frequently asked questions
How can I tell my cat is pregnant?
Pinker, larger nipples ("pinking up") around weeks 3–4 and a growing belly. A vet can confirm with ultrasound.
When should I get help?
Call a vet if labor lasts more than a few hours without kittens, or if there is a long gap with strong straining.
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Last reviewed November 2026 · How we build and check our tools · Report a problem