Pregnancy Due Date Calculator When the Last Period Began on March 11, 2025

If the first day of your last period (L.M.P.) was March 11, 2025, your due date will be:

December 16, 2025 (that's Tuesday)

In days: 144 days

In weeks: 20 weeks and 4 days

In months: 4 months, 3 weeks and 1 day

Due dates for nearest periods