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Dog Pregnancy Calculator

The problem: Your dog was mated and you have no idea when the puppies are due — so you cannot book time off, prepare a whelping box, or know when to worry.

How to use — quick guide

Enter the date your dog was mated into this dog pregnancy calculator and you will see the expected due date — about 63 days later — plus the normal 58 to 68 day window and week-by-week milestones, so you can prepare the whelping box and book the vet in good time. It is free, instant, and needs no signup.

How to use it

  1. Enter the date your dog was mated.
  2. You get the expected due date (63 days), the normal 58–68 day window, and week-by-week milestones.
  3. Book a vet ultrasound around day 25–30 to confirm the pregnancy and count puppies.

Frequently asked questions

How long is a dog pregnant?

On average 63 days from mating, with 58–68 days considered the normal range.

What are the signs in the first weeks?

Often none until week 3–4: mild appetite changes, then visible weight gain and nipple enlargement from week 5.

When should I call the vet urgently?

If labour passes 68 days, if strong contractions last over an hour with no puppy, or if she seems distressed — call your vet immediately.

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