Introduction

Period Calculator is a software utility for keeping track of menstrual cycle, as well as predicting next period and cycle status - bleeding, fertile or ovulation.

With Period Calculator, it has never been easier to manage your menstrual cycle records and tell your cycle status! Know your periods, and take control over yourself now.


This manual applies to Period Calculator 1.0.1.516, the latest version released on 27 February 2011.

Getting started

This is the main interface when you launch Period Calculator. It has two major parts.

  • Prediction panels (left): predicts the next period, number of days remaining or late, today's cycle status, etc. Also displays basic statistics like the average period length.
  • Views (middle): offers two views - Calendar and Log book view. Switch between them by selecting the target view on the top horizontal "view" bar.

Period Calculator

Summary of features

  • Keeping track of menstrual cycle
  • Predict next period and cycle status on a calendar
  • Exporting and importing of period logs for easy backup and restore
  • Customizable parameters

Supported operating systems

  • Windows 2000 SP3
  • Windows XP SP2
  • Windows Vista
  • Windows 7