Find out when you may be ovulating and your most fertile days
Ovulation Calculator
Use the Calculator to estimate your daily conception probability based on your cycle history and body signal.
Step 1 of 1
Tell Us About Your Cycle
Default is 14 — only change if confirmed by tracking.
Note: This tool provides statistical estimates based on average cycle data. It is not a diagnostic or contraceptive method. Consult a healthcare provider for fertility guidance.
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Your fertility insights will appear here
Enter your cycle details and tap Calculate to see your personalized ovulation forecast.
Today's Conception Probability
0%
chance today
Calculating...
Predicted Ovulation Day
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Estimated ovulation date
14-Day Fertility Forecast
Daily conception probability around your fertile window
Peak day
High
Low
Ovulation Day
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Fertile Window
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6-day span
Next Period
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Best 2 Days
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to conceive
Fertility Signal Score
Cycle-Based
Upcoming Ovulation Dates
Cycle Calendar Overview
Menstruation
Probable ovulation
Favorable days
3-Month View
Fertility Optimization Tips
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