Dog Pregnancy Calculator
Estimate a dog due-date window from a mating date.
Formula and assumptions
Canine gestation is commonly around 63 days from ovulation; mating date is an imprecise proxy. Consult a veterinarian.
Results depend on the inputs and assumptions shown. Check units and independently verify important decisions.
For general information. Report an issue.
Frequently asked questions
How long is a dog’s pregnancy?
Canine gestation is commonly around 63 days from ovulation, but timing from mating can vary because mating may occur before or after ovulation.
Is the estimated due date exact?
No. It is an estimate based on the date entered. Actual timing varies, so a veterinarian should help confirm pregnancy and expected whelping time.
When should I contact a veterinarian?
Contact a veterinarian for pregnancy confirmation, prenatal care, unusual discharge, pain, weakness, prolonged labor or any concern about the dog or puppies.