How Many Months
Pregnant is 40 Weeks?

You entered: 40 Weeks.
Change date
9.21 Months
(approximately)

This is equivalent to
9 Months and 6 Days

Monthly Progress

You are 19% through month 9
Overall Progress:

9 Months Announcement

Announcement for 9 Months

Baby at 40 Weeks / 9 Months


Read more on week 40 here

Please Note:

Months on this page are calculated from Gregorian calendar months.
*In obstetrics, a 28 day method is sometimes used where each month is exactly 4 weeks long.
*The 28 day method to count elapsed months:
40 Weeks = 10 Months.