Ovulation Calculator

Estimate your most fertile days based on your last period and cycle length. Great for conception planning or natural tracking.

How This Calculator Works

• Ovulation typically occurs 14 days before your next period.
• This tool uses your average cycle length to estimate that date.
• The fertile window includes a few days before and after ovulation.

FAQs

Is this accurate?

It’s a helpful estimate, but ovulation can vary. For more precise tracking, consider using ovulation tests or apps.

How long is the fertile window?

Roughly 5 days before ovulation through 1 day after — this tool highlights that window.

Can I use this to avoid pregnancy?

This calculator is not a substitute for medical advice or contraception. Always consult a healthcare provider for family planning.