Dog Pregnancy Calculator
Calculate your dog's whelping due date and view critical pregnancy milestones, scan dates, and x-ray windows.
Interactive Calculator
1. Provide Details
days
2. Output Results
How to Calculate: Formula & Steps
Standard dog gestation lasts approximately 63 days (can vary from 58 to 68 days).
Formula Used:
Due Date = Mating Date + 63 DaysStep-by-Step Calculation Example
If mating occurred 10 days ago, due date is in 53 days. Ultrasound window starts in 15 days.
Common Mistakes to Avoid
- Failing to log multiple mating dates, which can shift the whelping window by a few days.
Practical Use Cases
- Preparing whelping box timelines
- Scheduling vet checkups and scans
- Predicting birth dates
Expert Tips
- Begin monitoring your dog's temperature daily around day 58. A drop below 99°F indicates labor should start within 24 hours.
Frequently Asked Questions About Dog Pregnancy Calculator
How long is a dog pregnant?
Normally 63 days from ovulation, though birth can occur safely between 58 and 68 days.
When can a vet confirm pregnancy?
Ultrasound can confirm pregnancy at days 25-35. X-rays can detect puppy skeletons after day 45.
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