Due Date Calculator

Compassionate Care for Every Woman

Due Date Calculator

An easy calculator for moms-to-be to understand when your little one is going to arrive.

When was your first day of your last period?

How to use the pregnancy due date calculator?

Find out your due date through pregnancy calculator. Put the last first date of your last period and click on’ Calculate My Due Date’ – rest your calculator will perform. Pregnancy is calculated from 40 weeks from the first day of your last period, but there are also other factors which will play an important factor to define your due date.  The pregnancy due date calculator will not be reliable if you have irregular periods.

How this due date calculator work?

If you don’t know exactly when you conceived, this calculator will help you to calculate your estimated due date based on your last menstrual period.


  • Due date is estimated on 40 weeks from your first day of last period
  • A menstrual cycle is assumed to be 28 days’ long, ovulation expected to occur at the 14th day
  • So the calculator adds 280 days (40 weeks) to your Last Menstrual Period


How exact is your due date calculator?

Always keep in mind that the calculator will only help to provide an estimated date and not a fixed date, Pregnancies are different for different women. Generally, 1 out of 20 women delivers on her due date. This tool will only help you to give an idea about when to expect your little one.