Calculate Date of Birth and Date Ready for Sale:

Choose Date:
Pregnant Number of Days:
Result Output:

Mating Date:

Date of Birth:

Days Pregnant:

Kittens Ready for Sale:

Pregnancy normally lasts 63 days, but may vary between cats, some go a few days less, and others are a 2-3 days late. Outer points range from 58 to 72 days.

Therefore, it is important that you know your cat.

Date of birth is calculated from the day after the first mating has taken place.