8 Best Free Online Cat Pregnancy Calculator Websites

Here is a list of the best free online Cat Pregnancy Calculator websites. During the pregnancy period, the furry friend needs proper attention and care. The gestation period for a cat, or the duration of cat pregnancy, typically lasts around 63 to 65 days. However, it can vary, and some cats may give birth a few days earlier or later. Monitoring your cat’s signs and behavior can help estimate the due date more accurately. A cat pregnancy calculator can also be helpful. The calculator can estimate the possible due date of the cat and help you plan checkups and special care.

In this post, I’m covering 8 websites that can help you determine the possible due date of your cat. These websites offer simple calculators where you can add the mating date of your cat to estimate the due date. These calculators estimate a due date along with the earliest and latest day of birth. Some calculators also generate a calendar that can help you easily track your cat’s pregnancy. With that said, let’s dive in and check these calculators in detail.

My Favorite Online Cat Pregnancy Calculator

CatPregnancyCalculator.com is the website I like the most on this list to calculate cat pregnancy online. This website generates a pregnancy chart with all the minor and major events along the way. It provides proper information about each event so you can easily diagnose your cat’s situation and take appropriate action.

You can also check out our other lists of the best free Online Dog Food Calculator Websites, Online t-shirt Design Websites, and Truss Design Software For Windows.

Comparison Table:

Name	Results	Due date period	Pregnancy Calendar
CatPregnancyCalculator.com	Expected due date	1 week	✓
Purrinlot.com	Expected due date	1 week	✓
Starfall.lt	Expected due date	1 week	✓
Omahkatayo.pl	Expected due date	1 day	✓
CooperPetCare.com	earliest & latest dates	2 weeks	x
OmniCalculator.com	earliest & latest dates	2 weeks	x
Drlogy.com	earliest & latest dates	1 week	x
Cats.com	earliest & latest dates	1 week	x

CatPregnancyCalculator.com

CatPregnancyCalculator.com provides a cat pregnancy due date calculator. This calculator can help you plan your cat’s pregnancy with ease. The calculator takes the mating date as input and calculates the approximate due date of the cat. It shows a single expected due date. Below that, it generates a cat pregnancy timeline chart. It gives a week-by-week timeline of the pregnancy period to birth and kitten health. The chart mentions the dates of each period along with the information about what would be happening during that time. This can give you insight in advance about the cat’s conditions. It can help you easily diagnose any situation leading to a healthy birth. This tool loads the calendar when you enter the mating date. But it lacks a direct way to change the month and year. You can select the date and when it appears in the numerical form then you can manually change the month and year accordingly.

Highlights:

• Input: Date of mating.
• Output: Expected due date.
• Delivery Date: Approximate birth date.
• Additional Info: Generates a Cat Pregnancy Timeline Chart.

Purrinlot.com

Purrinlot.com offers an online tool to generate pregnancy calendars for cats. It is a tool that shows how your cat’s pregnancy develops. The calculator has an input section that loads a calendar on the screen when clicked. You have to select the mating date on the calendar. Upon selection, the tool takes a moment and generates a pregnancy calendar. The calendar has two columns; one showing the dates and the other showing the pregnancy stage. This calendar allows you to easily keep track of all the major stages of the pregnancy. You can read the information of each stage and check on it with your cat. This can help you easily plan out the cat’s pregnancy with proper care and attention when necessary.

Highlights:

• Input: Date of mating.
• Output: Expected confinement date.
• Delivery Date: Approximate birth date.
• Additional Info: Generates a Cat Pregnancy Calendar.

Starfall.lt

Starfall.lt is for a British Shorthair cattery called STARFALL*LT. It specializes in breeding and selling British Shorthair cats, offering blue kittens for sale. The website has an online cat pregnancy calendar. This tool generates a pregnancy calendar starting from the mating date. It covers all the minor and major instances covering the stage of embryo development from conception to birth. It generates a tabular schedule showing the important dates and information. Alongside the date, it also shows the days of pregnancy. You can use this tool to generate a pregnancy calendar for your cat and follow along. The website also offers a Kitten development calculator that can help you estimate the growth of kittens from the day of birth.

Highlights:

• Input: Date of mating.
• Output: Pregnancy calendar.
• Delivery Date: Approximate birth date.
• Additional Info: Generates a Cat Pregnancy Calendar with days and dates.

Omahkatayo.pl

Omahkatayo.pl is a website for a cat breeding business that specializes in Norwegian Forest Cats, also known as Norsk Skogkatt. The website provides information about the breed, including their natural characteristics and strong build. It has an online cat pregnancy calendar and calculator. This online tool generates a pregnancy calendar for your cat from the mating date. It takes the mating date as input and generates a calendar with important dates. It shows the following information:

• 21 days of pregnancy
• 50 days: first perceptible movements of kittens
• 65 days: Expected day of birth
• 8 weeks: first vaccination for kittens
• 12 weeks: second vaccination for kittens
• 14  weeks: kittens can leave the cattery

Highlights:

• Input: Date of mating.
• Output: Expected due date.
• Delivery Date: Approximate birth date.
• Additional Info: Generates a Cat Pregnancy Calendar.

CooperPetCare.com

CooperPetCare.com is a website that offers pet insurance services. It provides options for comparing and purchasing pet insurance at competitive prices, aiming to give pets the protection they need. The cat pregnancy calculator on this website asks for the mating date and estimates the delivery date from that. The calculator uses a calendar popup for users to select the mating date of the cat. Based on the mating date, it gives the expected due day of the date. It shows the earliest possible delivery date and the latest possible delivery date. In addition to that, it also calculates how long the pregnancy period can be and shows that in the number of days.

Highlights:

• Input: Date of mating.
• Output: Expected due date.
• Delivery Date: Earliest and latest possible delivery date.
• Additional Info: It provides clinical and insurance guidelines for pets.

OmniCalculator.com

OmniCalculator.com is a collection of online calculators covering a wide variety of topics, use cases, and day-to-day activities. It has an online cat pregnancy calculator that helps you find out the due date of your cat. Just like any other calculator on the website, the interface is simple with the calculator on the left and information on the right of the web page. The calculator has two data points; Mating date and Due date. You have to provide the Mating date to calculate the Due date. To do that, you have to just click the Mating date section. Doing this loads a calendar popup for date selection. Select the Mating date of your cat there. This instantly gets you the expected Due date of the cat. Along with that, it shows what day it is on the Due date and in how many days the cat is going to give birth. It provides the estimations for the earliest possible delivery date and the latest possible delivery date as well.

Highlights:

• Input: Date of mating.
• Output: Expected due date.
• Delivery Date: Earliest and latest possible delivery date.
• Additional Info: Option to share the calculator results.

Drlogy.com

Drlogy.com helps users find top and verified doctors, clinics/hospitals, diagnostics, pharmacies, agencies, pharma, associations, and jobs nearby. This website has a collection of heath converters for humans as well as pets. You can use their cat pregnancy calculator to find out the expected delivery date of your cat. The calculator has a simple interface that is divided into two columns. The column on the left side is for the input. You have to add the cat’s mating date there. The column on the right side shows the calculator’s output. When you add the mating date, it shows the estimated delivery date along with the 10-day possible pregnancy window. The calculator also tells you the regular length of the pregnancy period of a cat.

Highlights:

• Input: Date of mating.
• Output: Expected delivery date.
• Delivery Date: Minimum and maximum possible delivery date.
• Additional Info: Calculates the pregnancy periods (in days).

Cats.com

Cats.com is a website dedicated to providing responsible and accurate information to help cat owners give their pets the best life possible. This website has a cat pregnancy calculator. It is a basic calculator with a neat interface. It has three drop-down sections for selecting the mating date of the cat. You can simply click on the respective drop-downs to add the day, month, and year. When you add the mating date, it instantly shows you the expected due date of the cat. It shows a date range with a window of 10 days. This helps you know the earliest due date and the latest due date of the cat.

Highlights:

• Input: Date of mating.
• Output: Expected due date.
• Delivery Date: Expected time window of 10 days.
• Additional Info: This calculator does not show any additional information.

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