Pregnancy Calculator

Our easy-to-use pregnancy calculator is the number one most popular way to calculate your due date based on the date of your last menstrual period.

Date of Last Menstrual Period

Date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Month 1 2 3 4 5 6 7 8 9 10 11 12

Year

Due Date, Conception Date Calculation Result

Estimated Fertility Date
To Date
Estimated Conception Date
First Trimester Ends (12 Weeks)
Second Trimester Ends (27 Weeks)
Estimated Due Date (40 Weeks)