📅 Enter your dog's details

Start date (the day you're counting from) What does this date mark?

Mating / breeding day

First day of heat (proestrus)

LH surge / progesterone test

Breed size (adjusts your due-date window)

Estimated whelping date

—

0

days left

0

week of pg.

0%

progress

MatingMid-gestationWhelping

This is an estimate based on average canine gestation (58–68 days from mating, avg. 63). Actual whelping timing varies by dog and breed size. Always confirm with your veterinarian, ideally via progesterone testing or ultrasound.

📖 Week-by-week timeline

🏆 Why this calculator is different

🐕Breed-size adjustment — small breeds average a slightly shorter gestation window than giant breeds; most calculators use one flat 63-day number for every dog.
🧪3 counting methods — mating day, first day of heat, or LH/progesterone surge, each mapped to the correct gestation offset instead of forcing one method.
📈Live countdown + progress bar, not just a static date — see days remaining and % through pregnancy at a glance.
🗓️Full week-by-week symptom & care timeline generated specifically around your dates, not a generic article.
🖨️One-tap printable due date card to stick on the fridge or send to your vet/co-breeder.
🔒No sign-up, no data stored — everything runs in your browser only.

❓ Frequently asked questions

How long are dogs pregnant for?

The average canine gestation period is about 63 days from ovulation, with a normal range of roughly 58 to 68 days depending on breed size and individual variation.

Is the due date the same as mating day + 63?

Not exactly — sperm can survive several days inside the female, so ovulation (and true conception) may happen a few days after mating. That's why this tool offers heat-date and progesterone-based counting for more precision.

When should I call the vet?

Contact your vet if your dog goes more than 24 hours past the estimated due date without labor, has strong contractions for over 30 minutes without a puppy, or shows lethargy, fever, or discharge at any point.

🐾 Dog Pregnancy Due Date Calculator