Dog Pregnancy Calculator

Calculate the big day! Enter the date of breeding to get a reliable estimate of when your dog will give birth.

Due Date = Breeding Date + 63 Days
Scenario: Your dog was bred on March 1st. Calculation: 1. Start: March 1. 2. Duration: 63 Days. 3. End: May 3rd. Result: The estimated whelping date is May 3rd.

How long are dogs pregnant?

The average gestation period for dogs is approximately 63 days (about 9 weeks) from the date of ovulation. However, it can range from 58 to 68 days depending on the breed and individual dog.

How can I tell if my dog is pregnant?

Early signs include a decrease in appetite, sudden decrease in activity, and nipple growth. A veterinarian can confirm pregnancy via ultrasound after 25 days or by feeling the abdomen after 28 days.

What should I feed a pregnant dog?

During the first few weeks, normal high-quality food is usually fine. In the final weeks, switching to a nutrient-dense puppy formula helps support the growing litter and the mother's energy needs.

What is a "whelping box"?

A whelping box is a safe, warm, and quiet place for a dog to give birth and care for her puppies. It should have low sides for the mother to step over but high enough to keep puppies contained.