Menstrual Cycle Calculator and Fertile Days

Calcolatore del Ciclo & Giorni Fertili







* Stima indicativa basata su medie. Il ciclo può variare: usa i risultati come riferimento informativo e non come consiglio medico.

The Menstrual Cycle & Ovulation Calculator by UtileApp helps you quickly estimate key phases of your menstrual cycle with clarity and precision.
Just enter the start date of your last period, your average cycle length (e.g. 28 days), and your period duration, and the app will instantly calculate:

🔹 The end date of your period;
🔹 The probable ovulation date;
🔹 The fertile window (from 5 days before to 1 day after ovulation);
🔹 The estimated start dates of the next 3 cycles.

Notes

⚠️ The results are approximate estimates based on average cycle patterns and may vary for each individual.
This tool does not replace medical advice and should not be used as a contraceptive method.
For greater accuracy, regularly update your data based on your actual cycle observations.

A simple, informative, and easy-to-use tool to better understand and track your menstrual cycle directly from your browser.