BreedTools

Dog Whelping Date Calculator

This calculator is designed specifically for dog breeders. Enter your breeding date to estimate your dog’s expected whelping date using the standard 63-day canine gestation average, including realistic early and late delivery windows.

New to breeding or unsure what’s considered normal? Learn how long dogs are pregnant and what factors can affect due dates.

Breeding other animals? Use our multi-species gestation calculator.

Whelping Date Calculator

Enter the breeding date to estimate your dog’s expected whelping date and normal early and late delivery windows.

📅 Results

Estimated Due Date:

Early Whelping Window:

Late Whelping Window:

Dates are estimates. Always consult a veterinarian for medical guidance.

Frequently Asked Questions

How long are dogs pregnant?

The average dog pregnancy lasts about 63 days, but healthy deliveries often occur between days 58 and 65.

What day do dogs usually give birth?

Most dogs whelp around day 63, though some may deliver a few days earlier or later without complications.

Can dogs give birth early?

Yes. Some dogs whelp as early as day 58. Earlier deliveries may require veterinary monitoring depending on circumstances.