Ovulation Calculator
Estimate your ovulation date and fertile window based on cycle length.
Ovulation
Info only. Not medical advice.
Ovulation Result
Enter your cycle details to estimate ovulation.
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Explore guide →Frequently Asked Questions About Ovulation
Learn more about Ovulation
Understanding Ovulation Timing
Ovulation typically occurs about 14 days before your next period. This calculator uses your average cycle length to estimate ovulation and your fertile window.
- The fertile window usually spans 5 days before ovulation and the day of ovulation.
- Cycle lengths vary, so track multiple cycles for accuracy.
- Consult your healthcare provider if your cycles are irregular.
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