Calculate your estimated due date and track your pregnancy progress.
Default is 28 days
Enter dates to calculate
This tool helps you estimate your due date based on your last menstrual period and understand the current stage of your pregnancy.
Enter the first day of your last period and your average cycle length to calculate your estimated due date and current week.
This calculator is based on standard medical formulas (Naegele's Rule). For a precise date, an ultrasound scan is recommended.