Ovulation Calendar Calculator
Calculate ovulation dates, fertile windows, and menstrual cycle patterns with our comprehensive calculator. Track your fertility cycle for optimal family planning and health awareness.
Step 1: Cycle Information
28 days
5 days
Understanding Your Cycle
A typical menstrual cycle is 28 days, but can range from 21 to 45 days. Ovulation usually occurs around day 14 of a 28-day cycle.
Step 2: Fertility Tracking
14 days
Fertility Window
The fertile window is typically 6 days long, ending on the day of ovulation. Sperm can survive up to 5 days, while the egg is viable for about 24 hours after ovulation.
Ovulation Calendar Results
Cycle Summary
Cycle Visualization
Monthly Calendar
Estimated Ovulation Date
Day 14
28-day cycle, next period:
Fertile Window
Days 10-15
Next Period
Day 29
Cycle Phase Today
Follicular
Days Until Ovulation
5 days
Menstrual Cycle Visualization
Menstrual Phase
Days 1-5
Follicular Phase
Days 6-13
Ovulation Phase
Day 14
Luteal Phase
Days 15-28
Monthly Cycle Calendar
Best Days for Conception
Days 10-15
Pregnancy Test Date
Day 29
Cycle Regularity
Regular
Estimated Due Date
–
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