Cat Pregnancy Calculator

The cat pregnancy calculator helps you calculate the due birth date. It helps you get an idea of when to expect the new kittens.

Simply select the date of the first mating.

You will be able to calculate the due day, due date, the earliest possible delivery, and the latest possible delivery date.

The average cat pregnancy length ( gestation period ) is about 65 days. However, it can vary from 52-74 days.

Cat gestation and pregnancy calculator

You might also want to calculate the cat age, dog’s pregnancy date, or goat gestation period.

Cat pregnancy is an exciting time for both felines and their owners. Understanding the gestation period and being able to estimate the due date is crucial for proper care during pregnancy and preparation for the arrival of kittens. This cat pregnancy calculator is a helpful tool designed to assist cat owners in determining when their furry friend might give birth.

How to Use the Cat Pregnancy Calculator

Using this calculator is simple and straightforward:

  1. Enter the date of mating or the estimated date of conception.
  2. Click the “Calculate” button.
  3. The calculator will provide you with an estimated due date range for your cat’s pregnancy.

Remember that while this tool offers a helpful estimate, it’s not a substitute for veterinary care. Always consult with a veterinarian for professional advice regarding your cat’s pregnancy.

Understanding Cat Gestation

Cat gestation, or the pregnancy period for cats, typically lasts around 63 days. However, this can vary slightly from cat to cat. The gestation period can range from 58 to 71 days after mating. This variability is why it’s essential to use a range when estimating a cat’s due date.

Stages of Cat Pregnancy

  1. Early Stage (Weeks 1-3): During this period, there may be few noticeable changes in your cat.
  2. Middle Stage (Weeks 4-6): Your cat may begin to show physical signs of pregnancy.
  3. Late Stage (Weeks 7-9): The cat’s belly will be noticeably larger, and she may start preparing for birth.

Signs That Your Cat Is Pregnant

While the calculator can help estimate the due date, it’s important to recognize the signs of pregnancy in cats. Some common indicators include:

  1. Weight gain
  2. Enlarged and pink nipples
  3. Increased appetite
  4. Nesting behavior
  5. Morning sickness (less common in cats than in humans)

If you suspect your cat is pregnant, it’s best to consult with a veterinarian for confirmation and proper care advice.

Preparing for Kitten Birth

As the estimated due date approaches, it’s crucial to prepare for the arrival of kittens. Here are some steps to take:

  1. Set up a comfortable, quiet space for your cat to give birth.
  2. Gather necessary supplies like clean towels and a heating pad.
  3. Keep your veterinarian’s contact information handy in case of complications.
  4. Monitor your cat closely for signs of labor.

Frequently Asked Questions

How long is a cat’s pregnancy?

The average cat pregnancy length is about 63 days, but it can range from 58 to 71 days after mating.

How can I tell if my cat is pregnant?

Look for signs such as weight gain, enlarged nipples, increased appetite, and behavioral changes. A veterinarian can confirm pregnancy through physical examination or ultrasound.

How many kittens can a cat have?

The average litter size is 3-5 kittens, but it can range from 1 to 8 or more.

When can a vet confirm my cat’s pregnancy?

A veterinarian may be able to confirm pregnancy through palpation around 15-18 days after mating. Ultrasound can detect pregnancy as early as 2-3 weeks, while x-rays can show the number of kittens later in the pregnancy.

Can I use this calculator for all cat breeds?

Yes, this calculator can be used for all cat breeds. However, keep in mind that individual cats may have slight variations in their gestation periods.

The Importance of Veterinary Care During Cat Pregnancy

While this calculator is a useful tool for estimating your cat’s due date, it’s not a substitute for professional veterinary care. Regular check-ups during pregnancy are essential for monitoring the health of both the mother cat and her developing kittens.

A veterinarian can provide valuable services during pregnancy, including:

  1. Confirmation of pregnancy through physical examination or ultrasound
  2. Nutritional guidance to ensure proper fetal development
  3. Monitoring for potential complications
  4. Advice on preparing for birth and caring for newborn kittens


The cat pregnancy calculator is a helpful tool for estimating when your feline friend might give birth. By understanding the typical gestation period and recognizing the signs of pregnancy, you can better prepare for the arrival of new kittens. Remember to use this calculator in conjunction with regular veterinary care to ensure the best possible outcome for your pregnant cat and her future litter.

Whether you’re an experienced cat breeder or a first-time cat owner facing an unexpected pregnancy, this calculator can help you plan and prepare. However, always prioritize professional veterinary advice and care throughout your cat’s pregnancy journey.


  • Cat Pregnancy and Birth | Signs, Cat Pregnancy Length, and More | PetMD. (n.d.). Cat Pregnancy and Birth | Signs, Cat Pregnancy Length, and More | PetMD.
  • Is My Cat Pregnant? How to Find Out and When to Expect Kittens. (2023, May 28). WebMD.
  • Root Kustritz M. V. (2006). Clinical management of pregnancy in cats. Theriogenology, 66(1), 145–150.
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