Pregnancy Due Dates Calculator

Last Menstrual Period (LMP): OR Gestational Age (weeks): OR Date of Conception: Fill only one of the above for calculation.

Trimester Breakdown:

1 - 13 weeks: First Trimester
14 - 27 weeks: Second Trimester
28 - 40+ weeks: Third Trimester

Due Date Calculation: The estimated due date (EDD) is 40 weeks from LMP or 38 weeks from conception.

Enter either the Last Menstrual Period date, or the Gestational Age in weeks, or the Date of Conception. Fill only one field for calculation. Click "Calculate Due Date" to get the estimated due date, current gestational age, and trimester displayed with easy-to-interpret color-coded zones.

Coded by Jagjot Singh

Pregnancy Due Dates Calculator