Due Date Calculator

The Due Date Calculator estimates the delivery date of a pregnant woman based on her last menstrual period (LMP), ultrasound, conception date, or IVF transfer date.

Estimated Based On:
Full Term Options:
Weeks Pregnant
Days Pregnant
Trimester
Progress
Note: The results of this calculator are estimations based on averages for single pregnancy. Results for twin or multiple pregnancy are different.
Pregnancy Week by Week
Week Date Trimester Milestones