Gestation Date Calculator
Clinical judgment required. This calculator is a decision-support tool, not a substitute for veterinary consultation.
Gestation Date CalculatorCanineFeline
Calculate estimated whelping or kittening date and gestational progress for dogs and cats. Determines days remaining until due date and current trimester based on days since breeding. Average gestation is 63 days for dogs (range 57-65) and 65 days for cats (range 63-67). Used for breeding management, pregnancy monitoring, whelping preparation, planned C-section timing, and neonatal care planning. Common query: 'when is my dog due to give birth' or 'how far along is my pregnant cat'.
days
Days Until Due Date
—days
Gestational Progress
—%
33 %
66 %
100 %
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Moderate
High
High