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Cat Gestation Calculator & Chart

Cats are pregnant for about 64 days — just over nine weeks — with a normal range of 58–70 days. Queens are induced ovulators, so timing from breeding is fairly reliable. A queen passing day 70 with no kittens warrants a vet visit.

Printable cats gestation chart (64-day average)

Print this and tack it by the breeding pen — or use the free HerdFlo app to get the exact date for any breeding, breed-adjusted, with calendar reminders.

BredQueening
Jan 1Mar 6
Jan 8Mar 13
Jan 15Mar 20
Jan 22Mar 27
Jan 31Apr 5
Feb 1Apr 6
Feb 8Apr 13
Feb 15Apr 20
Feb 22Apr 27
Feb 28May 3
Mar 1May 4
Mar 8May 11
Mar 15May 18
Mar 22May 25
Mar 31Jun 3
Apr 1Jun 4
Apr 8Jun 11
Apr 15Jun 18
Apr 22Jun 25
Apr 30Jul 3
May 1Jul 4
May 8Jul 11
May 15Jul 18
May 22Jul 25
May 31Aug 3
Jun 1Aug 4
Jun 8Aug 11
Jun 15Aug 18
Jun 22Aug 25
Jun 30Sep 2
Jul 1Sep 3
Jul 8Sep 10
Jul 15Sep 17
Jul 22Sep 24
Jul 31Oct 3
Aug 1Oct 4
Aug 8Oct 11
Aug 15Oct 18
Aug 22Oct 25
Aug 31Nov 3
Sep 1Nov 4
Sep 8Nov 11
Sep 15Nov 18
Sep 22Nov 25
Sep 30Dec 3
Oct 1Dec 4
Oct 8Dec 11
Oct 15Dec 18
Oct 22Dec 25
Oct 31Jan 3 *
Nov 1Jan 4 *
Nov 8Jan 11 *
Nov 15Jan 18 *
Nov 22Jan 25 *
Nov 30Feb 2 *
Dec 1Feb 3 *
Dec 8Feb 10 *
Dec 15Feb 17 *
Dec 22Feb 24 *
Dec 31Mar 5 *

* lands in the following calendar year. Table uses the 64-day average; individual animals vary (58–70 days).

Common questions

How long is a cat pregnant?

About 64 days — just over nine weeks — with most queens delivering between days 58 and 70 after breeding.

When can a vet confirm a cat pregnancy?

Ultrasound from about day 21, palpation by an experienced vet around day 17–25, and X-ray kitten counts from about day 42.

What are the signs queening is close?

Nesting in closets and quiet corners, restlessness, calling, and milk in the glands a day or two out. Set up the nesting box a week early so she chooses it instead of your laundry.

How many kittens should I expect?

Average litters run 3–5 kittens, first litters often smaller. An X-ray after day 42 gives the real count so you know when delivery is done.

Track the whole herd, not just one date

Save breeding dates, birth outcomes, weights, and treatment withdrawal dates in HerdFlo — free for up to 2 animals, or try HerdFlo Pro free for 7 days.

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