Due Date Calculator | FIRST RESPONSE™

Learn when you can expect your little one to arrive.

When did your last period begin?
Please enter a valid date.
What is your average cycle length?
days
Start with the first day of one period and count right up to the day before the first day of your next period. Count the first day of bleeding or spotting as day one. The average cycle length is 28 days, but can range anywhere from 20 to 45 days.
Calculate My Due Date

Your baby will be born on or around

Days from today:

Only your physician can accurately determine your due date or the date of your conception based on his/her knowledge of your complete medical condition.