Fertility and Ovulation Calculator

Fill in the first day of your last menstrual period (LMP) and your cycle length










Knowing your ovulation date will give you the best chance of becoming pregnant

The Ovulation Calculator helps you predict your most fertile days of the month. As you already know, the menstrual periods vary from woman to woman and month to month.


Use the Ovulation Calculator to increase your chances of getting pregnant by helping you determine the timing of your ovulation and peak fertility.


The Ovulation Calculator will show you your most fertile dates based on your last period date and your period length.


Find out when your next period is expected to start, when you are likely to ovulate and increase your chances of getting pregnant.