Cat Pregnancy Calculator
Estimate your cat's due date from the mating date.
Pets FitnessScience-backed formula
Enter your details
Fill in the fields, then calculate
Please choose a date.
Awaiting Data
Enter your details and tap Calculate to see your results appear here.
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ResultYour result appears here.
What it measures
Cat pregnancy lasts about 65 days. From the mating date, this tool estimates the due date and the current stage.
Your pet's stats convert into friendly, human readable numbers.
Birth can arrive a few days either side, so watch for nesting signs near term.
How to use this calculator
- Enter the mating or breeding date.
- Tap Calculate for the estimated due date.
The formula used
Due date = mating date + 65 days (range 63 to 67)
- mating date
- When breeding took place.
- gestation
- About 65 days.
Understanding Your Results
Early term
Day 63
Birth possible from here.
Average
Day 65
The typical due date.
Late term
Day 67
Watch closely by now.
Tips to Improve
- Provide a quiet nesting area near term.
- Keep fresh water and good nutrition.
- Watch for a temperature drop before labor.
- Call a vet with any concerns.
Frequently Asked Questions
About 65 days, give or take a few.
It is an estimate; natural birth varies by a few days.
If labor is overdue or the animal seems distressed.
Scientific References
- Cornell Feline Health Center. (2023). Feline reproduction.
- Root, M. V., et al. (1995). Gestation length in the domestic cat. Journal of Reproduction and Fertility.