Rabbit Gestation Calculator by MarkRabbit Gestation CalculatorEstimate your rabbit’s kindling date and track pregnancy stages. Breeding Date ? Select the date of successful breeding (e.g., 2025-04-01). Gestation Period (days) ? Average is 31 days; range is 28–35 days (e.g., Netherland Dwarf: ~30, Flemish Giant: ~32). Calculate ResetEnter the breeding date, then click “Calculate”. JavaScript is disabled. Please enable it to use the calculator.