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About This Tool

Menstrual Period & Cycle Tracker is an interactive online calculator on tools.ubify.app. Track your menstrual cycle and forecast your next 3 period start dates and PMS timelines.

Fast, 100% free, private client-side processing directly in your browser with zero server data storage.

How to Use

  1. 1

    Enter your parameter values into the input fields.

  2. 2

    Adjust optional settings or unit parameters.

  3. 3

    View real-time calculated metrics and breakdown statistics.

  4. 4

    Copy the results summary or print your report for documentation.

Frequently Asked Questions

What is considered a normal menstrual cycle length?

A normal menstrual cycle ranges between 21 and 35 days for adults, with bleeding lasting between 2 to 7 days.

    Period Calculator — Next Menstrual Cycle Predictor | Ubify Tools | Ubify Tools