Dog Pregnancy Calculator
Estimate your dog’s due date and pregnancy timeline
Mating / Conception Date
Gestation Length
Dog Pregnancy: What to Expect
Dog pregnancy (gestation) lasts approximately 63 days from the date of mating, with a normal range of 58-68 days. Our dog pregnancy calculator gives you an estimated due date and a week-by-week care guide.
Dog Pregnancy Week by Week
| Week | Development | Care Tips |
|---|---|---|
| Week 1-2 | Fertilization and implantation | No visible signs |
| Week 3-4 | Embryos develop; vet can confirm | Ultrasound at day 25-35 |
| Week 5-6 | Belly visible; nipples enlarge | Switch to puppy food, increase meals |
| Week 7-8 | Puppies fully formed; visible movement | Prepare whelping box |
| Week 9 | Labour approaching; nesting | Monitor temperature every 6 hrs |
FAQs
How long is a dog pregnant?
The average dog pregnancy lasts 63 days from conception. The range is 58-68 days. Births before day 58 often result in premature puppies; contact your vet if no birth occurs by day 65-68.
How many puppies does a dog have per litter?
Average litter sizes vary by breed: small breeds typically have 1-4 puppies, medium breeds 4-6, and large breeds 6-10. Your vet can count puppies via X-ray after day 45.
Conclusion
Use our dog pregnancy calculator to prepare for your dog’s big day. For mother’s nutrition, use our dog calorie calculator set to pregnant. For puppy care, use our dog age calculator to track developmental milestones.