Track Your Cycle with Confidence
Our period calculator helps you predict your menstrual cycle, plan ahead, and understand your body better. Simple, private, and accurate.
Period Calculator
Calculating your cycle...
Your Cycle Predictions
Next Period Start Date
Next Period End Date
Fertile Window
Predicted Cycles for Next 3 Months
Learn More About Your Cycle
Understanding your menstrual cycle can help you manage your health and wellbeing.
Cycle Health
Learn how to recognize a healthy menstrual cycle and when to consult a healthcare provider.
Learn MoreNutrition Tips
Discover foods that can help manage PMS symptoms and support your cycle health.
Learn MoreExercise Guide
Find out which exercises are best during different phases of your menstrual cycle.
Learn More