Cat pregnancy calculator
Cats are pregnant for about 65 days, around nine weeks from mating, though anything from 52 to 74 days can be normal.
- Normal from (day 52)
- Fri, 11 Dec 2026
- Normal to (day 74)
- Sat, 2 Jan 2027
- Scan can confirm from
- Tue, 10 Nov 2026
- Days pregnant today
- 0
- Days to go
- 65
She is about 0 weeks and 0 days into a pregnancy that usually lasts about 65 days.
A guide only. Births can fall a few days either side, and your vet can check how she is doing.
Cat pregnancy timeline
Key dates counted from mating.
| Day | What to know |
|---|---|
| Day 1 | Mating. Count from here. |
| From day 21 (week 3) | An ultrasound scan can confirm pregnancy. From weeks 3 to 4 a vet may also be able to feel the kittens. |
| From week 6 | You can usually see signs: weight gain, a bigger tummy and pinker nipples. |
| Last 2 to 3 weeks | You may see the kittens moving. She may start grooming more and looking for a nest, so have a quiet, warm box ready. |
| Last week | Milk usually starts to come in. |
| Around day 65 | Kittens usually arrive. Anything from day 52 to 74 can be normal. |
How we calculate this
PDSA says cat pregnancies last about 65 days from mating, and can vary between 52 and 74 days. We add these to your mating date.
A scan before about three weeks can miss a pregnancy, so if an early scan is negative your vet may check again later.
Questions people ask
How long are cats pregnant for?
About 65 days, which is around nine weeks. Anything from 52 to 74 days can be normal.
When can a vet confirm my cat is pregnant?
An ultrasound scan can confirm pregnancy from about three weeks after mating. A vet may also be able to feel kittens at three to four weeks, though not always.
When should I call the vet?
If she seems unwell, strains for a long time without a kitten arriving, or goes well past her due dates. If you are worried at any point, call your vet.
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