Due Date February 4 2025. This free due date calculator estimates the due date based on the menstrual cycle, ultrasound, conception date, or ivf transfer date. Enter date of last menstrual period, gestational age (on today's date or other ultrasound date), date of conception, or estimated due date to estimate the other dates.

With our tool, you will estimate the due date of your baby. Medically reviewed by clare herbert, senior midwife and team leader.