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Due date calculator

When a baby is due, how far along the pregnancy is, and the weeks still to go. An estimate, worked out the standard way. Nothing you type leaves your browser.

Due date

Pick a date

    An estimate, not a promise: most babies arrive in the weeks around the due date rather than on it. A dating scan gives a more exact date; your midwife or doctor will tell you which date to go by.

    Work it out from

    28 if you’re not sure.