Use our menstrual cycle calculator to calculate your next period, ovulation & due date. Enter the date of your last period, how long it lasted, the length of your average cycle and press Calculate:
When did your last period start?
How many days did it last?
How long is your cycle?
Below are the results based on the information you provided:
Your next menstrual period is expected to start on
Your next most fertile period is from to
If you conceive within this timeframe, your estimated due date will be
- Period Days
- Peak Ovulation
Please note that this is only an estimation of your menstrual cycle
Learn more about your menstrual cycle
- Check out our infographic.
- Learn how menstrual cycle and period calculators work.
Get answers to some common questions about your menstrual cycle:
- How do I calculate the length of my cycle?
- Can I have sex during my period?
- What is the average length for period?
- and others
Our Other Calculators & Tests:
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Womanjunction.com was started with a mission to help women calculate their menstrual cycle and help them better understand how it works. We’ve expanded to a wide range of topics ranging from women health, pregnancy to parenting.
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