Due date calculator

This calculator provides an estimated pregnancy schedule based on the due date, last period date, ultrasound date, conception date, or IVF transfer date.

When is your baby due? How big is your baby this week? Use WhatToExpect.com's Pregnancy Due Date Calculator to estimate your baby's due date based on the first day of your last period, the date you conceived and other methods.

Learn about tracking your baby's due date with information about ovulation, pregnancy tests, and the usefulness of various calculators and calendars.

Use the Pregnancy Due Date Calculator by Pampers to estimate your due date and find out how far along you are!

First, determine the first day of your last menstrual period. Next, count back 3 calendar months and add 1 year and 7 days to that date.

Our Pregnancy Due Date Calculator can help you work out your estimated due date or when your baby might arrive. Try now!

Calculate your due date and learn fun and interesting facts about your child's birth date!

Pregnant or trying to conceive? Use the First Response Baby Due Date Calculator to predict your due date by entering the first day of your last period.

Our free pregnancy calculator can estimate your pregnancy due date based on the date of your last menstrual period.

A due date calculator may use the day of the last menstrual period or the date of conception to estimate the most likely delivery date. Learn how it works, here.