What is Period Tracker?
A period tracker helps you monitor your menstrual cycle, predict upcoming periods, and understand which phase of your cycle you're in. It uses your last period date and average cycle length to calculate predictions.
Period TrackerFree Online Health Tool
Period Tracker is a free online health tool. Track your menstrual cycle calendar and predict future periods. Free period tracker and cycle calculator.
Your Cycle
Enter your cycle information
Current Status
Where you are in your cycle
Enter your last period date to see predictions
100% Private
Instant
Any Device
Free Forever
How to use & TipsSteps
- 1Enter the first day of your last period
- 2Enter your average cycle length (typically 21-35 days)
- 3Enter your average period length
- 4View your current cycle status and upcoming period predictions
Use Cases
- -Predict upcoming periods for planning
- -Track cycle regularity over time
- -Understand menstrual cycle phases
- -Prepare for PMS symptoms
- -Share cycle data with a healthcare provider
About Period Tracker
Everything you need to know about this tool and how to get the most out of it.
How Period Tracker Works
Enter the first day of your last period, your average cycle length, and how many days your period typically lasts. The tracker calculates your current cycle day, current phase, days until your next period, and shows a 6-month forecast.
Why Use Period Tracker?
Tracking your period helps you plan ahead, understand your body's patterns, and notice any irregularities. It's also useful for fertility awareness, managing PMS symptoms, and discussing your cycle with a healthcare provider.
Tips & Best Practices
- 1A normal cycle length ranges from 21 to 35 days
- 2Track your cycle for 3+ months to identify your personal pattern
- 3Note any symptoms alongside dates to share with your doctor