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Pregnancy Due Date Calculator

Estimated due date and current week from the last period.

Tool inputs stay in your browser · optional AI search sends your query

How to use it (step by step)

  1. 1Fill in the boxes: “First day of last period”, “Cycle length (days)”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Grace period
The days between your statement and the due date. Pay the full statement amount by then and you pay no interest.

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