Ovulation Calculator
Ovulation Calculator
Fertility Tracker
Enter Your Details
days
Typical range: 21-35 days
days
Usually 12-16 days (default: 14)
Your Fertility Window
Feb 10 - Feb 16, 2026
Best time to conceive (6-day window)
Ovulation Date
Feb 14, 2026
Next Period
Feb 28, 2026
Sperm can survive up to 5 days, but the egg is viable for only 12-24 hours after ovulation. The 6-day fertility window includes the 5 days before ovulation and the day of ovulation.
Your Cycle Calendar
Period
Fertile
Ovulation