Ovulation Calculator

Trying to get pregnant?

Our Ovulation Calculator helps you determine the days you’re most likely to conceive.

If you’re actively trying to get pregnant, knowing when you will ovulate will greatly enhance your chance of success!

Our Ovulation Calculator will help you predict the dates you’re most likely to ovulate based on your cycle length. Use this calculator as your guide for when to start testing with a pregnancy planning kit which will help with predicting the 2 days you’re most likely to become pregnant.

Enter the day of your last period and the number of days in your cycle (anywhere from 20 to 45 days). Our Ovulation Calculator will tell you your 2 days you’re most likely to conceive.

Please select the first day of your last menstrual period:

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Usual number of days in your cycle: