MyScripter
Tools

Ovulation Calculator

Cycles vary; lh tests and BBT give more individual signal.

Ovulation Calculator

YearMonthDay
Approx. ovulation
Jun 15, 2025
Fertile window (rough)
Jun 10, 2025 – Jun 16, 2025

These tools provide general fitness estimates only and are not a substitute for professional medical advice.

How to Use This Tool

  1. Enter last period start date.
  2. Set typical cycle length (21–45 days).
  3. Review approximate ovulation and a rough fertile window.

Features

  • Ovulation ≈ cycle length − 14 from LMP
  • Fertile window span
  • Educational use

Frequently Asked Questions

Related Tools

Conception Calculator

Likely ovulation and conception window.

Period Calculator

Next period from cycle length.

Pregnancy Conception Calculator

Conception and EDD from LMP.