April 21, 2026

Pregnancy Tools

Ovulation Calculator

Track your ovulation and fertile window to help plan or prevent pregnancy

Calculate Your Ovulation

Enter your cycle information to predict ovulation

Most women have cycles between 21-35 days. The average is 28 days.

Your Ovulation Results

Ovulation Date

-

-

Fertile Window

- to -

Best chances for conception

Next Period Expected

-

Cycle Length

28 days

How It Works

Ovulation typically occurs 12-16 days before your next period, usually around day 14 of a 28-day cycle.

The fertile window includes the 5 days before ovulation and the day of ovulation itself.

This calculator uses the calendar method and provides estimates. Individual cycles can vary.

Related Calculators

Due Date Calculator

Calculate pregnancy due date

Fertility Calculator

Track fertility patterns

Safe Period Calculator

Calculate safe period days

Medical Disclaimer

This ovulation calculator provides estimates based on average cycles. For family planning or fertility concerns, consult with your healthcare provider.

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