Calculate Days Until Due Date
Count down to the baby's due date — find out exactly how many weeks, days, and hours until the big day.
Quick presets
Pregnancy tips
Set "From" to today and "To" to your estimated due date. The result in weeks tells you your remaining weeks of pregnancy at a glance.
Pregnancy is typically 40 weeks (280 days) from the last menstrual period. Use the working-days metric to see how many work weeks remain.
For maternity-leave planning, use working days excluding weekends to count back from your start date for unused vacation/PTO.
After birth, the same tool helps track baby milestones — set "From" to the birthday to instantly see baby's age in days, weeks, or months.
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