Due Date Calculator

Congratulations on your pregnancy!

Now figure out your baby’s approximate due date with our Due Date Calculator!

Enter the first day of your last period and the number of days in your cycle (starting from the first day of one period to the day before the first day of the next period – anywhere from 20 to 45 days).

This tool will calculate your approximate due date.

Please select the first day of your last menstrual period:

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Usual number of days in your cycle: