Ovulation Calculator
Track your menstrual cycle, predict ovulation days, and identify your fertility window for conception planning.
Cycle Information
Did You Know?
The ovulation day is when an egg is released from the ovary. The fertile window includes the 5 days before ovulation and the day of ovulation itself.
Results
Next Period Start
May 28, 2023
Ovulation Date
May 14, 2023
Fertile Window
May 10 – May 14, 2023
Cycle Visualization
Next 6 Months Forecast
Enter your cycle information and click calculate to see results
Understanding Your Cycle
Menstrual Phase
Days 1-5: The uterine lining sheds, resulting in menstrual bleeding. This phase starts on the first day of your period.
Ovulation Phase
Usually around day 14: An egg is released from the ovary. This is when you’re most fertile and likely to conceive.
Fertile Window
The 5 days before ovulation and ovulation day: Sperm can live in the body for up to 5 days, so this is your best chance for conception.
Luteal Phase
After ovulation: The body prepares for a potential pregnancy. This phase typically lasts 12-16 days.