๐พ Pets
Cat Pregnancy Calculator
A cat pregnancy lasts about 63 to 65 days from mating, though it can run from 58 to 70. An early vet visit confirms the pregnancy, and the queen should be moved to a quiet nesting box about a week before the due date.
How it works
Mating date
Gestation length
Estimated due date
Earliest possible
Latest likely
Days since mating
Days remaining
Stage now
Frequently asked questions
How do I use the Cat Pregnancy Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.