Free & Personal

Track your cycle Menstrual with confidence

Get personalized predictions and take control of your women's health

Period Cycle Calculator

Enter Your Information
DD/MM/YYYY
28 days
20 28 36
5 days
1 5 9

These values are outside the typical range. Consider consulting a healthcare professional.

Your Predictions

Enter your last period date to view predictions

These predictions are for general information purposes only and do not replace medical advice.

Understand your body, not just your cycle

Get a more complete view with personalized tracking, smart insights, and connected health data.

Understand your body, not just your cycle

What you need to know about your cycle

Understand and take control of your health

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Menstruation

A normal period lasts 3-7 days and marks the first day of your cycle.

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Ovulation

Typically occurs 14 days before your next period starts.

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Fertility

Highest 5 days before ovulation and 1 day after.

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Cycle Tracking

Regular tracking helps you better understand your body.