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Calculators

Pregnancy Due Date Calculator

Estimate due date and gestational age from the first day of the last menstrual period and usual cycle length.

On your deviceFREENo account needed

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ExampleSee sample input and settings

Load the example, adjust the values, then run the tool.

Last period start
Today
Cycle length
28
As of date
Today

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About this tool

Estimate due date and gestational age from the first day of the last menstrual period and usual cycle length.

Choose your options, process your input, and download or copy the result.

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